Merge pull request #3138 from nextcloud/feature/windows-msi-force-minimum-supported-os

Windows MSI. Do not allow installing Nextcloud client on < Windows 10 or < 1709

admin/win/msi/Nextcloud.wxs

@@ -52,6 +52,9 @@
     <Property Id="INSTALLDIR">
         <RegistrySearch Id="RegistryInstallDir" Type="raw" Root="HKLM" Key="Software\$(var.AppVendor)\$(var.AppName)" Win64="no" />
     </Property>
+	<Property Id="WINDOWSRELEASEID">
+        <RegistrySearch Id="RegistryWindowsReleaseId" Type="raw" Root="HKLM" Key="Software\Microsoft\Windows NT\CurrentVersion" Name="ReleaseId"/>
+    </Property>
 
     <!-- Detect legacy NSIS installation -->
     <Property Id="NSIS_UNINSTALLEXE">
@@ -214,6 +217,6 @@
             <Condition Level="0">(NO_DESKTOP_SHORTCUT=1)</Condition>
         </Feature>
     </Feature>
-
+	<Condition Message="This application only runs on Windows 10, version 1709 or higher!">(VersionNT>=603 AND WINDOWSRELEASEID>=1709)</Condition>
     </Product>
 </Wix>