Microsoft stopped supporting the original Windows 8.0 in 2016, treating Windows 8.1 as a mandatory "service pack" update. Because of this, modern framework versions like 4.7.2 are only compatible with the 8.1 architecture. If you attempt to run the installer on Windows 8.0, you will likely encounter an "operating system not supported" error. Official Download Options
Once you are on Windows 8.1, you can choose between two main installer types from the official Microsoft Download Center: .net framework 4.7.2 download for windows 8
: A larger, complete package that includes all necessary files. This is ideal for machines with no internet access or for IT administrators deploying it to multiple computers. System Requirements for .NET 4.7.2 Microsoft stopped supporting the original Windows 8
Download the Microsoft . NET Framework 4.7. 2 offline installer package now. Microsoft Support Download .NET Framework 4.7.2 Official Download Options Once you are on Windows 8
Microsoft .NET Framework 4.7.2 offline installer for Windows