v1.07 — Pre-install Office check before installation

- New PreInstallCheckPage between Summary and Progress
- Detects existing Office installs, offers removal before new install
- License cleanup option included
- Skip button to proceed without removal
- Auto-proceeds to install after removal completes

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

InstaSoftOfficeTool.csproj

@@ -9,9 +9,9 @@
     <Company>InstaSoft Zrt.</Company>
     <Product>InstaSoft Office Tool</Product>
     <Copyright>Copyright (c) InstaSoft Zrt. 2026</Copyright>
-    <Version>1.0.6</Version>
+    <Version>1.0.7</Version>
-    <AssemblyVersion>1.0.6.0</AssemblyVersion>
+    <AssemblyVersion>1.0.7.0</AssemblyVersion>
-    <FileVersion>1.0.6.0</FileVersion>
+    <FileVersion>1.0.7.0</FileVersion>
     <ApplicationManifest>app.manifest</ApplicationManifest>
     <LangVersion>latest</LangVersion>
   </PropertyGroup>

MainWindow.xaml

@@ -42,7 +42,7 @@
                                    Foreground="{StaticResource TextSecondaryBrush}" Margin="0,-2,0,0"/>
                     </StackPanel>
                 </StackPanel>
-                <TextBlock Text="v1.06" HorizontalAlignment="Right" VerticalAlignment="Center"
+                <TextBlock Text="v1.07" HorizontalAlignment="Right" VerticalAlignment="Center"
                            FontSize="12" Foreground="{StaticResource TextSecondaryBrush}"/>
             </Grid>
         </Border>

MainWindow.xaml.cs

@@ -38,12 +38,13 @@ namespace InstaSoftOfficeTool
             _config = new InstallConfig();
             _wizardPages = new List<Page>
             {
-                new VersionPage(this, _config),
+                new VersionPage(this, _config),       // 0
-                new EditionPage(this, _config),
+                new EditionPage(this, _config),       // 1
-                new ConfigPage(this, _config),
+                new ConfigPage(this, _config),        // 2
-                new ProductKeyPage(this, _config),
+                new ProductKeyPage(this, _config),    // 3
-                new SummaryPage(this, _config),
+                new SummaryPage(this, _config),        // 4
-                new ProgressPage(this, _config)
+                new PreInstallCheckPage(this),         // 5 — remove old Office
+                new ProgressPage(this, _config)        // 6
             };
             _currentPageIndex = 0;
             ShowCurrentPage();
@@ -91,8 +92,8 @@ namespace InstaSoftOfficeTool
             StepIndicator.Children.Clear();
             if (_currentFlow != "install") return;
 
-            // Only show dots for install flow (6 steps, but last is progress - no dot)
+            // Only show dots for install flow (exclude PreInstallCheck + Progress)
-            int totalDots = _wizardPages.Count - 1; // exclude progress page
+            int totalDots = _wizardPages.Count - 2;
             for (int i = 0; i < totalDots; i++)
             {
                 var dot = new Ellipse
@@ -122,13 +123,9 @@ namespace InstaSoftOfficeTool
             BtnBack.Visibility = _currentPageIndex > 0 ? Visibility.Visible : Visibility.Visible;
             BtnNext.Visibility = Visibility.Visible;
 
-            // Last step before progress = "Telep\u00edt\u00e9s ind\u00edt\u00e1sa"
+            // On SummaryPage = "Tov\u00e1bb"
-            if (_currentPageIndex == _wizardPages.Count - 2)
+            // On PreInstallCheckPage or ProgressPage = hide
-            {
+            if (_wizardPages[_currentPageIndex] is PreInstallCheckPage ||
-                BtnNext.Content = "Telep\u00edt\u00e9s ind\u00edt\u00e1sa";
-            }
-            // On progress page, hide both
-            else if (_currentPageIndex == _wizardPages.Count - 1 &&
                 _wizardPages[_currentPageIndex] is ProgressPage)
             {
                 BtnNext.Visibility = Visibility.Collapsed;
@@ -174,14 +171,20 @@ namespace InstaSoftOfficeTool
                 }
 
                 ShowCurrentPage();
+            }
+        }
+
+        public void ProceedToInstall()
+        {
+            // Jump to ProgressPage (last page in the wizard)
+            _currentPageIndex = _wizardPages.Count - 1;
+            ShowCurrentPage();
 
-                // Auto-start if we're on progress page
             if (_wizardPages[_currentPageIndex] is ProgressPage progressPage)
             {
                 progressPage.StartInstallation();
             }
         }
-        }
 
         public void ShowCloseButton()
         {

Pages/PreInstallCheckPage.xaml

@@ -0,0 +1,67 @@
+<Page x:Class="InstaSoftOfficeTool.Pages.PreInstallCheckPage"
+      xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+      xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+      Background="Transparent">
+
+    <Grid Margin="40,30">
+        <Grid.RowDefinitions>
+            <RowDefinition Height="Auto"/>
+            <RowDefinition Height="*"/>
+            <RowDefinition Height="Auto"/>
+        </Grid.RowDefinitions>
+
+        <StackPanel Grid.Row="0" Margin="0,0,0,16">
+            <TextBlock Text="Meglévő Office ellenőrzése" FontSize="24" FontWeight="Light"/>
+            <TextBlock x:Name="SubtitleText" FontSize="14"
+                       Foreground="{StaticResource TextSecondaryBrush}" Margin="0,4,0,0"/>
+        </StackPanel>
+
+        <ScrollViewer Grid.Row="1" VerticalScrollBarVisibility="Auto">
+            <StackPanel>
+                <StackPanel x:Name="OfficeListPanel"/>
+
+                <!-- No office found card -->
+                <Border x:Name="NoOfficeCard" Visibility="Collapsed"
+                        Background="{StaticResource CardBrush}" CornerRadius="8"
+                        BorderBrush="{StaticResource BorderBrush}" BorderThickness="1"
+                        Padding="16,14">
+                    <StackPanel Orientation="Horizontal">
+                        <TextBlock Text="&#xE73E;" FontFamily="Segoe MDL2 Assets" FontSize="18"
+                                   Foreground="{StaticResource SuccessBrush}" VerticalAlignment="Center"
+                                   Margin="0,0,12,0"/>
+                        <TextBlock Text="Nem található telepített Office. A telepítés indítható."
+                                   FontSize="14" VerticalAlignment="Center"/>
+                    </StackPanel>
+                </Border>
+
+                <!-- License cleanup -->
+                <Border x:Name="LicenseCleanupPanel" Margin="0,12,0,0" Visibility="Collapsed"
+                        Background="{StaticResource CardBrush}" CornerRadius="8"
+                        BorderBrush="{StaticResource BorderBrush}" BorderThickness="1"
+                        Padding="16,12">
+                    <CheckBox x:Name="CbCleanLicense" Style="{StaticResource FluentCheckBox}"
+                              Content="Licenc-adatbázis tisztítása is (ajánlott)"
+                              IsChecked="True"/>
+                </Border>
+
+                <!-- Log -->
+                <Border x:Name="LogPanel" Margin="0,12,0,0" Background="#F8F8F8"
+                        CornerRadius="6" Padding="12" Visibility="Collapsed"
+                        BorderBrush="{StaticResource BorderBrush}" BorderThickness="1">
+                    <TextBox x:Name="LogText" FontFamily="Consolas" FontSize="11"
+                             TextWrapping="Wrap" Foreground="{StaticResource TextSecondaryBrush}"
+                             IsReadOnly="True" Background="Transparent" BorderThickness="0"
+                             VerticalScrollBarVisibility="Auto" AcceptsReturn="True" MaxHeight="150"/>
+                </Border>
+            </StackPanel>
+        </ScrollViewer>
+
+        <!-- Buttons -->
+        <StackPanel Grid.Row="2" Orientation="Horizontal" HorizontalAlignment="Right" Margin="0,12,0,0">
+            <Button x:Name="BtnSkip" Content="Kihagyás, telepítés folytatása"
+                    Style="{StaticResource SecondaryButton}" Click="BtnSkip_Click" Margin="0,0,8,0"/>
+            <Button x:Name="BtnRemove" Content="Eltávolítás, majd telepítés"
+                    Style="{StaticResource PrimaryButton}" Click="BtnRemove_Click" Visibility="Collapsed"/>
+        </StackPanel>
+    </Grid>
+</Page>

Pages/PreInstallCheckPage.xaml.cs

@@ -0,0 +1,139 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Windows;
+using System.Windows.Controls;
+using InstaSoftOfficeTool.Models;
+using InstaSoftOfficeTool.Services;
+
+namespace InstaSoftOfficeTool.Pages
+{
+    public partial class PreInstallCheckPage : Page
+    {
+        private readonly MainWindow _main;
+        private List<InstalledOffice> _detected;
+
+        public PreInstallCheckPage(MainWindow main)
+        {
+            InitializeComponent();
+            _main = main;
+            Loaded += (s, e) => DetectOffice();
+        }
+
+        private void DetectOffice()
+        {
+            _detected = OfficeDetector.Detect();
+            OfficeListPanel.Children.Clear();
+
+            if (_detected.Count == 0)
+            {
+                SubtitleText.Text = "Nincs kor\u00e1bbi Office telep\u00edt\u00e9s a g\u00e9pen.";
+                NoOfficeCard.Visibility = Visibility.Visible;
+                BtnRemove.Visibility = Visibility.Collapsed;
+                LicenseCleanupPanel.Visibility = Visibility.Collapsed;
+                BtnSkip.Content = "Tov\u00e1bb a telep\u00edt\u00e9shez \u2192";
+                return;
+            }
+
+            SubtitleText.Text = "A sz\u00e1m\u00edt\u00f3g\u00e9pen tal\u00e1lt Office telep\u00edt\u00e9sek. Az \u00faj Office telep\u00edt\u00e9se el\u0151tt aj\u00e1nlott elt\u00e1vol\u00edtani.";
+            BtnRemove.Visibility = Visibility.Visible;
+            LicenseCleanupPanel.Visibility = Visibility.Visible;
+
+            foreach (var office in _detected)
+            {
+                var cb = new CheckBox
+                {
+                    Content = office.DisplayName +
+                        (string.IsNullOrEmpty(office.Version) ? "" : "  (" + office.Version + ")"),
+                    IsChecked = true,
+                    Style = (Style)FindResource("FluentCheckBox"),
+                    Tag = office,
+                    Margin = new Thickness(0, 4, 0, 4),
+                    FontSize = 14
+                };
+                OfficeListPanel.Children.Add(cb);
+            }
+        }
+
+        private void BtnSkip_Click(object sender, RoutedEventArgs e)
+        {
+            _main.ProceedToInstall();
+        }
+
+        private async void BtnRemove_Click(object sender, RoutedEventArgs e)
+        {
+            BtnRemove.IsEnabled = false;
+            BtnSkip.IsEnabled = false;
+            LogPanel.Visibility = Visibility.Visible;
+
+            bool hasC2R = false;
+            foreach (UIElement child in OfficeListPanel.Children)
+            {
+                if (child is CheckBox cb && cb.IsChecked == true)
+                {
+                    var office = (InstalledOffice)cb.Tag;
+                    if (office.IsClickToRun)
+                    {
+                        hasC2R = true;
+                    }
+                    else if (!string.IsNullOrEmpty(office.ProductCode))
+                    {
+                        AppendLog("MSI elt\u00e1vol\u00edt\u00e1s: " + office.DisplayName);
+                        var runner = new ProcessRunner();
+                        runner.OutputReceived += msg => Dispatcher.Invoke(() => AppendLog(msg));
+                        await runner.RunAsync("msiexec", "/x " + office.ProductCode + " /qb");
+                    }
+                }
+            }
+
+            if (hasC2R)
+            {
+                AppendLog("Click-to-Run Office elt\u00e1vol\u00edt\u00e1sa...");
+                var downloader = new OdtDownloader();
+                downloader.StatusChanged += msg => Dispatcher.Invoke(() => AppendLog(msg));
+
+                bool ok = await downloader.DownloadAndExtractAsync();
+                if (ok)
+                {
+                    string removeXml = OdtXmlGenerator.GenerateRemoveAll();
+                    string xmlPath = Path.Combine(downloader.OdtFolder, "remove.xml");
+                    File.WriteAllText(xmlPath, removeXml);
+
+                    int exitCode = await downloader.RunRemoveAsync(xmlPath,
+                        msg => Dispatcher.Invoke(() => AppendLog(msg)));
+
+                    AppendLog(exitCode == 0
+                        ? "Office sikeresen elt\u00e1vol\u00edtva."
+                        : "Elt\u00e1vol\u00edt\u00e1s befejez\u0151d\u00f6tt (k\u00f3d: " + exitCode + ")");
+                }
+            }
+
+            if (CbCleanLicense.IsChecked == true)
+            {
+                AppendLog("Licenc-adatb\u00e1zis tiszt\u00edt\u00e1sa...");
+                var lm = new LicenseManager();
+                if (lm.FindOspp())
+                {
+                    var cleanResult = await lm.RemoveAllKeysAsync();
+                    AppendLog(cleanResult);
+                }
+                else
+                {
+                    AppendLog("Az ospp.vbs nem tal\u00e1lhat\u00f3 \u2014 licenc-tiszt\u00edt\u00e1s kihagyva.");
+                }
+            }
+
+            AppendLog("K\u00e9sz. Tov\u00e1bbl\u00e9p\u00e9s az \u00faj Office telep\u00edt\u00e9s\u00e9hez...");
+
+            // Auto-proceed to install after short delay
+            await System.Threading.Tasks.Task.Delay(1500);
+            _main.ProceedToInstall();
+        }
+
+        private void AppendLog(string text)
+        {
+            LogText.Text += DateTime.Now.ToString("HH:mm:ss") + "  " + text + "\n";
+            LogText.ScrollToEnd();
+        }
+    }
+}