LanMountainDesktop/LanMountainDesktop/Views/SettingsPages/AboutSettingsPage.axaml

<UserControl xmlns="https://github.com/avaloniaui"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:vm="using:LanMountainDesktop.ViewModels"
             xmlns:controls="using:LanMountainDesktop.Controls"
             xmlns:ui="using:FluentAvalonia.UI.Controls"
             x:Class="LanMountainDesktop.Views.SettingsPages.AboutSettingsPage"
             x:DataType="vm:AboutSettingsPageViewModel">
    <ScrollViewer VerticalScrollBarVisibility="Auto">
        <StackPanel Classes="settings-page-container">
            <TextBlock Classes="settings-section-title"
                       Text="{Binding PageTitle}" />
            <TextBlock Classes="settings-section-description"
                       Text="{Binding PageDescription}" />

            <controls:SettingsSectionCard IconKey="Info"
                                          Title="{Binding AppInfoHeader}">
                <controls:SettingsSectionCard.CardContent>
                    <StackPanel Spacing="14">
                        <StackPanel Classes="settings-item">
                            <TextBlock Classes="settings-item-label"
                                       Text="{Binding VersionLabel}" />
                            <TextBlock Opacity="0.82"
                                       Text="{Binding VersionText}" />
                        </StackPanel>

                        <StackPanel Classes="settings-item">
                            <TextBlock Classes="settings-item-label"
                                       Text="{Binding RenderBackendLabel}" />
                            <TextBlock Opacity="0.82"
                                       Text="{Binding RenderBackendText}" />
                        </StackPanel>
                    </StackPanel>
                </controls:SettingsSectionCard.CardContent>
            </controls:SettingsSectionCard>

            <ui:SettingsExpander Classes="settings-expander-card"
                                 Header="{Binding UpdateHeader}"
                                 IsExpanded="True">
                <StackPanel Spacing="12">
                    <controls:SettingsOptionCard IconKey="ArrowSync"
                                                 Title="{Binding AutoCheckUpdatesLabel}">
                        <controls:SettingsOptionCard.ActionContent>
                            <ToggleSwitch IsChecked="{Binding AutoCheckUpdates}" />
                        </controls:SettingsOptionCard.ActionContent>
                    </controls:SettingsOptionCard>

                    <controls:SettingsOptionCard IconKey="ArrowSync"
                                                 Title="{Binding IncludePrereleaseUpdatesLabel}">
                        <controls:SettingsOptionCard.ActionContent>
                            <ToggleSwitch IsChecked="{Binding IncludePrereleaseUpdates}" />
                        </controls:SettingsOptionCard.ActionContent>
                    </controls:SettingsOptionCard>

                    <controls:SettingsOptionCard IconKey="ArrowSync"
                                                 Title="{Binding UpdateChannelLabel}">
                        <controls:SettingsOptionCard.DetailsContent>
                            <ComboBox ItemsSource="{Binding UpdateChannels}"
                                      SelectedItem="{Binding SelectedUpdateChannel}">
                                <ComboBox.ItemTemplate>
                                    <DataTemplate x:DataType="vm:SelectionOption">
                                        <TextBlock Text="{Binding Label}" />
                                    </DataTemplate>
                                </ComboBox.ItemTemplate>
                            </ComboBox>
                        </controls:SettingsOptionCard.DetailsContent>
                    </controls:SettingsOptionCard>

                    <StackPanel Orientation="Horizontal"
                                Spacing="12">
                        <Button Command="{Binding CheckForUpdatesCommand}"
                                Content="{Binding CheckForUpdatesButtonText}" />
                        <TextBlock VerticalAlignment="Center"
                                   Opacity="0.76"
                                   Text="{Binding UpdateStatus}" />
                    </StackPanel>
                </StackPanel>
            </ui:SettingsExpander>
        </StackPanel>
    </ScrollViewer>
</UserControl>