How to check .NET 6.x.x version installed or not for desktop application ?

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Dear Fellows

How to check .net 6.x.x version installed or not by Registry ?

for both x86 and 64 bit OS.

What I have tried:

I found 2 registry values by google but their exists multiple on different PCs. So I want to handle all registry keys in my application.

HKLM\SOFTWARE\dotnet\Setup\InstalledVersions\x64\sharedhost\Version

HKLM\SOFTWARE\Microsoft\ASP.NET Core\Shared Framework\v6.0

Posted 23-Sep-22 16:02pm

DoingWork

Updated 24-Sep-22 20:35pm

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RickZeeland 24-Sep-22 5:15am

It's a big mess I'm afraid, tried to follow the ongoing discussion here:
https://github.com/dotnet/runtime/issues/3393
But the relevant link at the end of the discussion seems to be gone :(

2 solutions

Solution 1

Quote:
The version of .NET Framework (4.5 and later) installed on a machine is listed in the registry at HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\NET Framework Setup\NDP\v4\Full. If the Full subkey is missing, then .NET Framework 4.5 or above isn't installed.

Determine which .NET Framework versions are installed - .NET Framework | Microsoft Learn[^]

Posted 24-Sep-22 6:06am

Gerry Schmitz

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RickZeeland · Accepted Answer · 2022-09-24T20:21:00

The registry location seems to change per update as a user commented here:
Correct approach to Check for .NET 6 installation - Microsoft Q&A[^]

Quote:
[HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\dotnet\Setup\InstalledVersions\x64\sharedfx\Microsoft.NETCore.App]
"3.1.26"=dword:00000001

[HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\dotnet\Setup\InstalledVersions\x64\sharedfx\Microsoft.WindowsDesktop.App]
"5.0.17"=dword:00000001

[HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\dotnet\Setup\InstalledVersions\x64\sharedfx\Microsoft.WindowsDesktop.App]
"6.0.6"=dword:00000001

[HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\dotnet\Setup\InstalledVersions\x64\sharedhost]
"Version"="6.0.6"

Don't understand why these .NET Core guys do not follow any standards :(