On boot, try to install .NET Framework again. Note: If you are running the Home edition of Windows 11/10, the Group Policy editor will not be available for you.

4] Install .NET Framework 3.5 using Windows Features (for Windows 10 Only) If you are unable to install .NET Framework successfully using an installer, Windows 10 users can try installing .NET ...

In a blog post, Microsoft yesterday announced that starting with Windows 10 October Update the company plans to deliver new updates for .NET Framework via Cumulative Updates channel.