[wix-users] How can installer detect if it is running on Windows 11?

[Greg Olone]

Windows 8.1 is also 603.

You need to check the build number as well. Currently Windows 11 is >= 22000 and Windows 10 is >= 10240 and < 22000

Greg O’Lone

From: wix-users <wix-users-bounces at lists.wixtoolset.org> on behalf of Gary Henry via wix-users <wix-users at lists.wixtoolset.org>
Date: Tuesday, August 23, 2022 at 12:40 PM
To: wix-users at lists.wixtoolset.org <wix-users at lists.wixtoolset.org>
Cc: Gary Henry <Gary.Henry at microfocus.com>
Subject: [wix-users] How can installer detect if it is running on Windows 11?
I have a CustomAction that calls a DllEntry that checks the value of VersionNT to determine what version of Windows I am installing on. Here are the values I get from VersionNT for different versions of Windows:
601 - Windows 7
602 - Windows 8
603 - Windows 8.1
603 - Windows 10
603 - Windows 11

As you can see, Windows 10 and Windows 11 both return 603. Does anyone know how I can differentiate between Windows 10 and Windows 11 during installation?

The version of Windows 11 I am testing with is Windows 11 Pro, 21H2 (OS Build 22000.318).

Thanks!

Gary

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