If you try to require some software or app which requires .NET Framework 3.5, you might face the following message: An app on your PC needs the following Windows features. .

If your business is not ready to update and install the latest version of .NET Framework on Windows system then this post shows how to block installation.

On Windows 10, you can check the version of .NET through File Explorer, Registry, PowerShell, and Command Prompt, and in this guide, I'll show you how to complete this task.