1] Check .NET version using Command Prompt To check the version of the .NET Framework installed on Windows 10 using Command Prompt, do the following: ...

If you see error 0x800F0954 when installing .NET Framework using Optional features in Windows 11/10, here's what you need to do to fix the issue.

“The .Net Framework Monthly Rollup is a single install that updates each supported .Net Framework version on a machine to its latest respective update level,” said Microsoft’s Stacey Haffner.

Don’t forget to check the version of .Net Framework installed on Azure and other cloud service deployments.