diff --git a/hecl-gui/CMakeLists.txt b/hecl-gui/CMakeLists.txt
index a375ebb1b..9bce2c97a 100644
--- a/hecl-gui/CMakeLists.txt
+++ b/hecl-gui/CMakeLists.txt
@@ -27,7 +27,7 @@ list(APPEND PLAT_SRCS mainicon_qt.c)
 
 add_executable(hecl-gui WIN32 MACOSX_BUNDLE
     MainWindow.ui MainWindow.hpp MainWindow.cpp
-    FileDirDialog.hpp FileDirDialog.cpp
+    FileDirDialog.hpp
     SysReqTableView.hpp SysReqTableView.cpp
     VectorISATableView.hpp VectorISATableView.cpp
     VectorISATableModel.hpp VectorISATableModelIntel.hpp
diff --git a/hecl-gui/Common.cpp b/hecl-gui/Common.cpp
index ece4caf35..e25b0b897 100644
--- a/hecl-gui/Common.cpp
+++ b/hecl-gui/Common.cpp
@@ -1,4 +1,9 @@
 #include "Common.hpp"
+#include <QStringList>
+
+#ifndef _WIN32
+#include <unistd.h>
+#endif
 
 #if __APPLE__
 const QString CurPlatformString = QStringLiteral("macos");
@@ -25,22 +30,13 @@ QString PlatformToString(Platform plat)
     }
 }
 
-#if ZEUS_ARCH_X86_64
-const QString CurArchitectureString = QStringLiteral("x86_64");
-#elif ZEUS_ARCH_X86
-const QString CurArchitectureString = QStringLiteral("x86");
-#elif ZEUS_ARCH_ARM
-const QString CurArchitectureString = QStringLiteral("arm");
-#elif ZEUS_ARCH_AARCH64
-const QString CurArchitectureString = QStringLiteral("aarch64");
-#else
-#error HECL does not know which architecture to fetch for
-#endif
+Architecture CurArchitecture = Architecture::Invalid;
+QString CurArchitectureString;
 
 Platform StringToPlatform(const QString& str)
 {
     for (int i = 1; i < int(Platform::MAXPlatform); ++i)
-        if (str.contains(PlatformToString(Platform(i)), Qt::CaseInsensitive))
+        if (!str.compare(PlatformToString(Platform(i)), Qt::CaseInsensitive))
             return Platform(i);
     return Platform::Invalid;
 }
@@ -65,7 +61,7 @@ QString ArchitectureToString(Architecture arch)
 Architecture StringToArchitecture(const QString& str)
 {
     for (int i = 1; i < int(Architecture::MAXArchitecture); ++i)
-        if (str.contains(ArchitectureToString(Architecture(i)), Qt::CaseInsensitive))
+        if (!str.compare(ArchitectureToString(Architecture(i)), Qt::CaseInsensitive))
             return Architecture(i);
     return Architecture::Invalid;
 }
@@ -96,7 +92,62 @@ QString VectorISAToString(VectorISA visa)
 VectorISA StringToVectorISA(const QString& str)
 {
     for (int i = 1; i < int(VectorISA::MAXVectorISA); ++i)
-        if (str.contains(VectorISAToString(VectorISA(i)), Qt::CaseInsensitive))
+        if (!str.compare(VectorISAToString(VectorISA(i)), Qt::CaseInsensitive))
             return VectorISA(i);
     return VectorISA::Invalid;
 }
+
+URDEVersion::URDEVersion(const QString& filename)
+{
+    int idx;
+    QString useFilename = filename;
+    if ((idx = filename.indexOf('.')) >= 0)
+    {
+        m_extension = QString(filename).remove(0, idx);
+        useFilename.truncate(idx);
+    }
+    QStringList list = useFilename.split('-');
+    if (list.size() >= 2)
+        m_version = list[1].toInt();
+    if (list.size() >= 3)
+        m_platform = StringToPlatform(list[2]);
+    if (list.size() >= 4)
+        m_architecture = StringToArchitecture(list[3]);
+    if (list.size() >= 5)
+        m_vectorISA = StringToVectorISA(list[4]);
+}
+
+QString URDEVersion::fileString(bool withExtension) const
+{
+    if (m_version < 0)
+        return {};
+    if (withExtension && !m_extension.isEmpty())
+        return QString("urde-%1-%2-%3-%4%5").arg(QString::number(m_version),
+                                                 PlatformToString(m_platform),
+                                                 ArchitectureToString(m_architecture),
+                                                 VectorISAToString(m_vectorISA),
+                                                 m_extension);
+    else
+        return QString("urde-%1-%2-%3-%4").arg(QString::number(m_version),
+                                               PlatformToString(m_platform),
+                                               ArchitectureToString(m_architecture),
+                                               VectorISAToString(m_vectorISA));
+}
+
+void InitializePlatform()
+{
+#if ZEUS_ARCH_X86_64
+    const_cast<Architecture&>(CurArchitecture) = Architecture::X86_64;
+#elif ZEUS_ARCH_X86
+#if !defined(__APPLE__) && !defined(_WIN32)
+    const_cast<Architecture&>(CurArchitecture) =
+        (sysconf(_SC_WORD_BIT) == 64 ? Architecture::X86_64 : Architecture::X86);
+#elif _WIN32
+    bool isWOW = false;
+    IsWow64Process(GetCurrentProcess(), &isWOW);
+    const_cast<Architecture&>(CurArchitecture) =
+        (isWOW ? Architecture::X86_64 : Architecture::X86);
+#endif
+#endif
+    const_cast<QString&>(CurArchitectureString) = ArchitectureToString(CurArchitecture);
+}
diff --git a/hecl-gui/Common.hpp b/hecl-gui/Common.hpp
index 3f70e6b03..f2265ab10 100644
--- a/hecl-gui/Common.hpp
+++ b/hecl-gui/Common.hpp
@@ -2,6 +2,7 @@
 #define GUI_COMMON_HPP
 
 #include <QString>
+#include <QMetaType>
 #include "zeus/Math.hpp"
 
 enum class Platform
@@ -37,17 +38,8 @@ enum class Architecture
 QString ArchitectureToString(Architecture arch);
 Architecture StringToArchitecture(const QString& str);
 
-#if ZEUS_ARCH_X86_64
-constexpr Architecture CurArchitecture = Architecture::X86_64;
-#elif ZEUS_ARCH_X86
-constexpr Architecture CurArchitecture = Architecture::X86;
-#elif ZEUS_ARCH_ARM
-constexpr Architecture CurArchitecture = Architecture::ARM;
-#elif ZEUS_ARCH_AARCH64
-constexpr Architecture CurArchitecture = Architecture::AARCH64;
-#endif
-
-extern const QString CurArchitectureString;
+extern Architecture CurArchitecture;
+extern QString CurArchitectureString;
 
 enum class VectorISA
 {
@@ -67,11 +59,22 @@ VectorISA StringToVectorISA(const QString& str);
 class URDEVersion
 {
     int m_version = -1;
-    VectorISA m_vectorISA;
+    Platform m_platform = CurPlatform;
+    Architecture m_architecture = CurArchitecture;
+    VectorISA m_vectorISA = VectorISA::Invalid;
+    QString m_extension;
 public:
+    URDEVersion() = default;
     explicit URDEVersion(const QString& filename);
     bool isValid() const { return m_version >= 0; }
-
+    QString fileString(bool withExtension) const;
+    int getVersion() const { return m_version; }
+    Platform getPlatform() const { return m_platform; }
+    Architecture getArchitecture() const { return m_architecture; }
+    VectorISA getVectorISA() const { return m_vectorISA; }
 };
+Q_DECLARE_METATYPE(URDEVersion);
+
+void InitializePlatform();
 
 #endif // GUI_COMMON_HPP
diff --git a/hecl-gui/DownloadManager.cpp b/hecl-gui/DownloadManager.cpp
index 32b9e736b..bb8c756f5 100644
--- a/hecl-gui/DownloadManager.cpp
+++ b/hecl-gui/DownloadManager.cpp
@@ -84,14 +84,12 @@ void DownloadManager::indexFinished()
 
     QStringList files;
 
-    while (true)
+    while (!m_indexInProgress->atEnd())
     {
-        if (m_indexInProgress->atEnd())
-            break;
-        QByteArray line = m_indexInProgress->readLine();
+        QString line = QString::fromUtf8(m_indexInProgress->readLine()).trimmed();
         if (line.isEmpty())
             continue;
-        files.push_back(QString::fromUtf8(line).trimmed());
+        files.push_back(line);
     }
 
     if (m_indexCompletionHandler)
diff --git a/hecl-gui/FileDirDialog.cpp b/hecl-gui/FileDirDialog.cpp
deleted file mode 100644
index 92d34ff3e..000000000
--- a/hecl-gui/FileDirDialog.cpp
+++ /dev/null
@@ -1,68 +0,0 @@
-#include "FileDirDialog.hpp"
-#include <QModelIndex>
-#include <QPushButton>
-#include <QTreeView>
-#include <QListView>
-#include <QEvent>
-#include <QDir>
-
-FileDirDialog::FileDirDialog(QWidget *parent)
-    : QFileDialog(parent)
-{
-    m_selectedFiles.clear();
-
-    this->setOption(QFileDialog::DontUseNativeDialog, true);
-    this->setFileMode(QFileDialog::Directory);
-    QList<QPushButton*> btns = this->findChildren<QPushButton*>();
-    for (int i = 0; i < btns.size(); ++i)
-    {
-        QString text = btns[i]->text();
-        if (text.toLower().contains("open") || text.toLower().contains("choose"))
-        {
-            m_btnOpen = btns[i];
-            break;
-        }
-    }
-
-    if (!m_btnOpen)
-        return;
-
-    m_btnOpen->installEventFilter(this);
-    m_btnOpen->disconnect(SIGNAL(clicked()));
-    connect(m_btnOpen, SIGNAL(clicked()), this, SLOT(chooseClicked()));
-
-
-    m_listView = findChild<QListView*>("listView");
-    if (m_listView) {
-        m_listView->setSelectionMode(QAbstractItemView::ExtendedSelection);
-    }
-
-    m_treeView = findChild<QTreeView*>();
-    if (m_treeView)
-        m_treeView->setSelectionMode(QAbstractItemView::ExtendedSelection);
-}
-
-bool FileDirDialog::eventFilter( QObject* watched, QEvent* event )
-{
-    QPushButton *btn = qobject_cast<QPushButton*>(watched);
-    if (btn && !btn->isEnabled() && event->type()==QEvent::EnabledChange)
-        btn->setEnabled(true);
-
-    return QWidget::eventFilter(watched, event);
-}
-
-
-void FileDirDialog::chooseClicked()
-{
-    QModelIndexList indexList = m_listView->selectionModel()->selectedIndexes();
-    foreach (QModelIndex index, indexList)
-        if (index.column( )== 0)
-            m_selectedFiles.append(this->directory().absolutePath() + "/" + index.data().toString());
-
-    QDialog::accept();
-}
-
-QStringList FileDirDialog::selectedFiles()
-{
-    return m_selectedFiles;
-}
diff --git a/hecl-gui/FileDirDialog.hpp b/hecl-gui/FileDirDialog.hpp
index 962078521..bedcaf8e6 100644
--- a/hecl-gui/FileDirDialog.hpp
+++ b/hecl-gui/FileDirDialog.hpp
@@ -2,29 +2,12 @@
 #define FILEDIRDIALOG_HPP
 
 #include <QFileDialog>
-#include <QTreeWidget>
-#include <QPushButton>
-#include <QStringList>
-
-class QPushButton;
-class QTreeView;
-class QListView;
 
 class FileDirDialog : public QFileDialog
 {
     Q_OBJECT
-private:
-    QListView* m_listView = nullptr;
-    QTreeView* m_treeView = nullptr;
-    QPushButton* m_btnOpen = nullptr;
-    QStringList m_selectedFiles;
-
-public slots:
-    void chooseClicked();
 public:
-    FileDirDialog(QWidget* parent = nullptr);
-    QStringList selectedFiles();
-    bool eventFilter(QObject* watched, QEvent* event);
+    FileDirDialog(QWidget* parent = nullptr) : QFileDialog(parent) { setFileMode(QFileDialog::Directory); }
 };
 
 #endif // FILEDIRDIALOG_HPP
diff --git a/hecl-gui/MainWindow.cpp b/hecl-gui/MainWindow.cpp
index 33d95d5c2..70f2677e9 100644
--- a/hecl-gui/MainWindow.cpp
+++ b/hecl-gui/MainWindow.cpp
@@ -12,6 +12,7 @@ MainWindow::MainWindow(QWidget *parent) :
     m_ui(new Ui::MainWindow)
   , m_heclProc(this)
   , m_dlManager(this)
+  , m_settings("AxioDL", "HECL", this)
 {
     m_ui->setupUi(this);
     m_ui->heclTabs->setCurrentIndex(0);
@@ -24,6 +25,16 @@ MainWindow::MainWindow(QWidget *parent) :
     m_ui->currentBinaryLabel->setFont(mFont);
     m_ui->recommendedBinaryLabel->setFont(mFont);
 
+    m_updateURDEButton = new QPushButton(QStringLiteral("Update URDE"), m_ui->centralwidget);
+    m_ui->gridLayout->addWidget(m_updateURDEButton, 2, 3, 1, 1);
+    m_updateURDEButton->hide();
+    QPalette pal = m_updateURDEButton->palette();
+    pal.setColor(QPalette::Button, QColor(53,53,72));
+    m_updateURDEButton->setPalette(pal);
+    connect(m_updateURDEButton, SIGNAL(clicked()), this, SLOT(onUpdateURDEPressed()));
+
+    setPath(m_settings.value(QStringLiteral("working_dir")).toString());
+
     m_dlManager.connectWidgets(m_ui->downloadProgressBar, m_ui->downloadErrorLabel,
                                std::bind(&MainWindow::onIndexDownloaded, this, std::placeholders::_1),
                                std::bind(&MainWindow::onBinaryDownloaded, this, std::placeholders::_1));
@@ -557,20 +568,131 @@ void MainWindow::onExtract()
 void MainWindow::onReturnPressed()
 {
     if (sender() == m_ui->pathEdit && !m_ui->pathEdit->text().isEmpty())
-        m_path = m_ui->pathEdit->text();
+        setPath(m_ui->pathEdit->text());
 }
 
 void MainWindow::onIndexDownloaded(const QStringList& index)
 {
+    int bestVersion = 0;
     m_ui->binaryComboBox->clear();
     for (const QString& str : index)
-        m_ui->binaryComboBox->addItem(str);
+    {
+        URDEVersion version(str);
+        if (m_ui->sysReqTable->willRun(version))
+            bestVersion = m_ui->binaryComboBox->count();
+        m_ui->binaryComboBox->addItem(version.fileString(false), QVariant::fromValue(version));
+    }
+    m_ui->binaryComboBox->setCurrentIndex(bestVersion);
+    m_recommendedVersion = m_ui->binaryComboBox->itemData(bestVersion).value<URDEVersion>();
+    m_ui->recommendedBinaryLabel->setText(m_recommendedVersion.fileString(false));
     m_ui->binaryComboBox->setEnabled(true);
+
+    if (!m_path.isEmpty())
+    {
+        checkDownloadedBinary();
+        m_ui->downloadButton->setEnabled(true);
+    }
+}
+
+void MainWindow::onDownloadPressed()
+{
+    m_updateURDEButton->hide();
+    QString filename = m_ui->binaryComboBox->currentData().value<URDEVersion>().fileString(true);
+    printf("Downloading %s\n", filename.toUtf8().data());
+    m_ui->launchBtn->setEnabled(false);
+    m_dlManager.fetchBinary(filename, m_path + '/' + filename);
+}
+
+void MainWindow::onUpdateURDEPressed()
+{
+    m_ui->heclTabs->setCurrentIndex(1);
+    onDownloadPressed();
 }
 
 void MainWindow::onBinaryDownloaded(const QString& file)
 {
+    QFileInfo path(file);
+#ifndef _WIN32
+    QProcess untar;
+    untar.setWorkingDirectory(path.dir().absolutePath());
+    untar.start("tar", {"-xvf", path.fileName()});
+    untar.waitForFinished();
+#if __APPLE__
+    QFile::rename(path.dir().absoluteFilePath(path.baseName()) + ".app", "urde.app");
+#else
+    QFile::rename(path.dir().absoluteFilePath(path.baseName()), "urde");
+#endif
+    QFile::remove(file);
+#else
+    QFile::rename(file, "urde.exe");
+#endif
+    checkDownloadedBinary();
+}
 
+void MainWindow::checkDownloadedBinary()
+{
+    m_updateURDEButton->hide();
+
+#if __APPLE__
+    QString urdePath = m_path + "/urde.app/Contents/MacOS/urde";
+#elif _WIN32
+    QString urdePath = m_path + "urde.exe";
+#else
+    QString urdePath = m_path + "urde";
+#endif
+    QProcess proc;
+    proc.start(urdePath, {"--dlpackage"}, QIODevice::ReadOnly);
+    if (proc.waitForStarted())
+    {
+        proc.waitForFinished();
+        QString dlPackage = QString::fromUtf8(proc.readLine()).trimmed();
+        if (proc.exitCode() == 100)
+        {
+            if (dlPackage.isEmpty())
+            {
+                m_ui->currentBinaryLabel->setText(QStringLiteral("unknown"));
+            }
+            else
+            {
+                URDEVersion v(dlPackage);
+                m_ui->currentBinaryLabel->setText(v.fileString(false));
+                if (m_recommendedVersion.isValid() && v.isValid() &&
+                    m_recommendedVersion.getVersion() > v.getVersion())
+                {
+                    m_updateURDEButton->show();
+                }
+            }
+        }
+        else
+        {
+            m_ui->currentBinaryLabel->setText(QStringLiteral("unknown"));
+        }
+    }
+    else
+    {
+        m_ui->currentBinaryLabel->setText(QStringLiteral("none"));
+    }
+}
+
+void MainWindow::setPath(const QString& path)
+{
+    if (!path.isEmpty())
+    {
+        m_path = path;
+        m_settings.setValue(QStringLiteral("working_dir"), m_path);
+        m_ui->pathEdit->setText(m_path);
+        m_ui->extractBtn->setEnabled(true);
+        m_ui->packageBtn->setEnabled(true);
+        m_ui->downloadButton->setToolTip(QString());
+        m_ui->downloadButton->setEnabled(m_ui->binaryComboBox->isEnabled());
+        checkDownloadedBinary();
+    }
+    else
+    {
+        m_ui->downloadButton->setToolTip(QStringLiteral("Working directory must be set"));
+        m_ui->downloadButton->setEnabled(false);
+        m_ui->currentBinaryLabel->setText(QStringLiteral("none"));
+    }
 }
 
 void MainWindow::initSlots()
@@ -607,15 +729,8 @@ void MainWindow::initSlots()
         if (dialog.selectedFiles().size() <= 0)
             return;
 
-        QString path = dialog.selectedFiles().at(0);
         /* TODO: Add beacon detection */
-        if (!path.isEmpty())
-        {
-            m_path = path;
-            m_ui->pathEdit->setText(m_path);
-            m_ui->extractBtn->setEnabled(true);
-            m_ui->packageBtn->setEnabled(true);
-        }
+        setPath(dialog.selectedFiles().at(0));
     });
 
     connect(m_ui->packageBtn, &QPushButton::clicked, [=](){
@@ -632,6 +747,8 @@ void MainWindow::initSlots()
         m_heclProc.setProcessChannelMode(QProcess::ProcessChannelMode::MergedChannels);
         m_heclProc.start("../hecl/driver/hecl.exe", {"package", "-y"});
     });
+
+    connect(m_ui->downloadButton, SIGNAL(clicked()), this, SLOT(onDownloadPressed()));
 }
 
 void MainWindow::setTextTermFormatting(QTextEdit* textEdit, const QString& text)
diff --git a/hecl-gui/MainWindow.hpp b/hecl-gui/MainWindow.hpp
index 8db11631c..76ee88bd9 100644
--- a/hecl-gui/MainWindow.hpp
+++ b/hecl-gui/MainWindow.hpp
@@ -5,8 +5,10 @@
 #include <QProcess>
 #include <memory>
 #include "DownloadManager.hpp"
+#include "Common.hpp"
 class QTextEdit;
 class QTextCharFormat;
+class QPushButton;
 
 namespace Ui {
 class MainWindow;
@@ -20,6 +22,9 @@ class MainWindow : public QMainWindow
     QString m_path;
     QProcess m_heclProc;
     DownloadManager m_dlManager;
+    QSettings m_settings;
+    URDEVersion m_recommendedVersion;
+    QPushButton* m_updateURDEButton;
 public:
     explicit MainWindow(QWidget *parent = 0);
     ~MainWindow();
@@ -28,7 +33,11 @@ public:
 private slots:
     void onExtract();
     void onReturnPressed();
+    void onDownloadPressed();
+    void onUpdateURDEPressed();
 private:
+    void checkDownloadedBinary();
+    void setPath(const QString& path);
     void initSlots();
     void onIndexDownloaded(const QStringList& index);
     void onBinaryDownloaded(const QString& file);
diff --git a/hecl-gui/MainWindow.ui b/hecl-gui/MainWindow.ui
index 0e4a87948..a42e89ee8 100644
--- a/hecl-gui/MainWindow.ui
+++ b/hecl-gui/MainWindow.ui
@@ -289,7 +289,7 @@ p, li { white-space: pre-wrap; }
           <item row="0" column="1">
            <widget class="QLabel" name="currentBinaryLabel">
             <property name="text">
-             <string>fetching...</string>
+             <string>none</string>
             </property>
            </widget>
           </item>
@@ -310,6 +310,12 @@ p, li { white-space: pre-wrap; }
           <property name="orientation">
            <enum>Qt::Vertical</enum>
           </property>
+          <property name="sizeHint" stdset="0">
+           <size>
+            <width>0</width>
+            <height>0</height>
+           </size>
+          </property>
          </spacer>
         </item>
         <item row="3" column="1">
@@ -481,6 +487,9 @@ p, li { white-space: pre-wrap; }
           <property name="text">
            <string/>
           </property>
+          <property name="wordWrap">
+           <bool>true</bool>
+          </property>
          </widget>
         </item>
        </layout>
diff --git a/hecl-gui/SysReqTableView.cpp b/hecl-gui/SysReqTableView.cpp
index b8425e653..18f4a2520 100644
--- a/hecl-gui/SysReqTableView.cpp
+++ b/hecl-gui/SysReqTableView.cpp
@@ -34,9 +34,6 @@ SysReqTableModel::SysReqTableModel(QObject* parent)
         m_osVersion.sprintf("macOS %d.%d", m_macosMajor, m_macosMinor);
     else
         m_osVersion.sprintf("macOS %d.%d.%d", m_macosMajor, m_macosMinor, m_macosPatch);
-#elif _WIN32
-#else
-    m_is64Bit = sysconf(_SC_WORD_BIT) == 64;
 #endif
 }
 
@@ -84,7 +81,7 @@ QVariant SysReqTableModel::data(const QModelIndex& index, int role) const
             {
             case 0:
 #if ZEUS_ARCH_X86 || ZEUS_ARCH_X86_64
-                return QStringLiteral("x86, x86_64");
+                return QStringLiteral("x86_64");
 #else
                 return {};
 #endif
@@ -107,7 +104,7 @@ QVariant SysReqTableModel::data(const QModelIndex& index, int role) const
             {
             case 0:
 #if ZEUS_ARCH_X86 || ZEUS_ARCH_X86_64
-                return m_is64Bit ? QStringLiteral("x86_64") : QStringLiteral("x86");
+                return CurArchitectureString;
 #else
                 return {};
 #endif
diff --git a/hecl-gui/SysReqTableView.hpp b/hecl-gui/SysReqTableView.hpp
index b2e8f050a..133170417 100644
--- a/hecl-gui/SysReqTableView.hpp
+++ b/hecl-gui/SysReqTableView.hpp
@@ -19,7 +19,6 @@ class SysReqTableModel : public QAbstractTableModel
     int m_macosPatch = 0;
 #endif
     QString m_osVersion;
-    bool m_is64Bit = true;
 public:
     SysReqTableModel(QObject* parent = Q_NULLPTR);
     int rowCount(const QModelIndex& parent = QModelIndex()) const;
@@ -37,6 +36,13 @@ class SysReqTableView : public QTableView
 public:
     SysReqTableView(QWidget* parent = Q_NULLPTR);
     void paintEvent(QPaintEvent* e) Q_DECL_OVERRIDE;
+    const SysReqTableModel& getModel() const { return m_model; }
+    const VectorISATableView& getVectorISATable() const { return m_vectorISATable; }
+    bool willRun(const URDEVersion& v) const
+    {
+        return v.getArchitecture() == CurArchitecture && v.getPlatform() == CurPlatform &&
+               m_vectorISATable.willRun(v.getVectorISA());
+    }
 };
 
 #endif // GUI_SYSREQTABLEVIEW_HPP
diff --git a/hecl-gui/VectorISATableModelIntel.hpp b/hecl-gui/VectorISATableModelIntel.hpp
index 08cffe998..c8dbdcdfa 100644
--- a/hecl-gui/VectorISATableModelIntel.hpp
+++ b/hecl-gui/VectorISATableModelIntel.hpp
@@ -82,6 +82,29 @@ public:
             return VectorISA::AVX2;
         }
     }
+
+    bool willRun(VectorISA visa) const
+    {
+        switch (visa)
+        {
+        default:
+            return false;
+        case VectorISA::X87:
+            return true;
+        case VectorISA::SSE:
+            return m_features.SSE1;
+        case VectorISA::SSE2:
+            return m_features.SSE2;
+        case VectorISA::SSE3:
+            return m_features.SSE3;
+        case VectorISA::SSE41:
+            return m_features.SSE41;
+        case VectorISA::AVX:
+            return m_features.AVX;
+        case VectorISA::AVX2:
+            return m_features.AVX2;
+        }
+    }
 };
 
 #endif // GUI_VECTORISATABLEMODELINTEL_HPP
diff --git a/hecl-gui/VectorISATableView.hpp b/hecl-gui/VectorISATableView.hpp
index 745f0c696..d697d0079 100644
--- a/hecl-gui/VectorISATableView.hpp
+++ b/hecl-gui/VectorISATableView.hpp
@@ -22,6 +22,7 @@ public:
     VectorISATableView(QWidget* parent = Q_NULLPTR);
     void paintEvent(QPaintEvent* e) Q_DECL_OVERRIDE;
     VectorISA getISA() const { return m_model.getISA(m_maxISA); }
+    bool willRun(VectorISA visa) const { return m_model.willRun(visa); }
 };
 
 #endif // GUI_VECTORISATABLEVIEW_HPP
diff --git a/hecl-gui/main.cpp b/hecl-gui/main.cpp
index 7fdf8e8bc..e4ad6b4c1 100644
--- a/hecl-gui/main.cpp
+++ b/hecl-gui/main.cpp
@@ -1,6 +1,7 @@
 #include <QApplication>
 #include <QStyleFactory>
 #include "MainWindow.hpp"
+#include "Common.hpp"
 
 extern const size_t MAINICON_QT_SZ;
 extern const uint8_t MAINICON_QT[];
@@ -26,6 +27,8 @@ static QIcon MakeAppIcon()
 
 int main(int argc, char* argv[])
 {
+    InitializePlatform();
+
     QApplication a(argc, argv);
     a.setStyle(QStyleFactory::create("Fusion"));
 #if (QT_VERSION >= QT_VERSION_CHECK(5, 6, 0))
@@ -37,10 +40,10 @@ int main(int argc, char* argv[])
     QPalette darkPalette;
     darkPalette.setColor(QPalette::Window, QColor(53,53,53));
     darkPalette.setColor(QPalette::WindowText, Qt::white);
-    darkPalette.setColor(QPalette::Base, QColor(25,25,25));
+    darkPalette.setColor(QPalette::Base, QColor(42,42,42));
     darkPalette.setColor(QPalette::Disabled, QPalette::Base, QColor(25,25,25,53));
     darkPalette.setColor(QPalette::AlternateBase, QColor(53,53,53));
-    darkPalette.setColor(QPalette::ToolTipBase, Qt::white);
+    darkPalette.setColor(QPalette::ToolTipBase, QColor(42,42,42));
     darkPalette.setColor(QPalette::ToolTipText, Qt::white);
     darkPalette.setColor(QPalette::Text, Qt::white);
     darkPalette.setColor(QPalette::Disabled, QPalette::Text, QColor(255,255,255,120));
@@ -49,10 +52,11 @@ int main(int argc, char* argv[])
     darkPalette.setColor(QPalette::ButtonText, Qt::white);
     darkPalette.setColor(QPalette::Disabled, QPalette::ButtonText, QColor(255,255,255,120));
     darkPalette.setColor(QPalette::BrightText, Qt::red);
-    darkPalette.setColor(QPalette::Link, QColor(42, 130, 218));
-    darkPalette.setColor(QPalette::Highlight, QColor(42, 130, 218));
-    darkPalette.setColor(QPalette::Disabled, QPalette::Highlight, QColor(42, 130, 218, 53));
-    darkPalette.setColor(QPalette::HighlightedText, Qt::black);
+    darkPalette.setColor(QPalette::Link, QColor(42,130,218));
+    darkPalette.setColor(QPalette::Highlight, QColor(42,130,218));
+    darkPalette.setColor(QPalette::Disabled, QPalette::Highlight, QColor(42,130,218,53));
+    darkPalette.setColor(QPalette::HighlightedText, Qt::white);
+    darkPalette.setColor(QPalette::Disabled, QPalette::HighlightedText, QColor(255,255,255,120));
     a.setPalette(darkPalette);
 
     MainWindow w;