.NET Framework 4.8 does not replace older versions like 3.5 . They can and often need to coexist. You can install .NET Framework 3.5 separately through the "Turn Windows features on or off" menu in Control Panel. It is included with Windows 7 and does not conflict with 4.8.
Then came the first obstacle. A popup: Windows Update Required. KB4490628 must be installed first. microsoft net framework 4.8 32 bit windows 7
: Systems with a reliable, continuous internet connection. 2. Offline Installer (Standalone) File Size : ~110 MB. It is included with Windows 7 and does not conflict with 4
The offline installer is best if you are installing on a computer without an active internet connection, or if you need to install it on multiple machines. KB4490628 must be installed first
Upgrading to .NET Framework 4.8 brings significant under-the-hood enhancements that stabilize older operating systems running modern applications.
To confirm that the .NET Framework 4.8 is functioning properly on your system, you can verify its existence via the Windows Registry: Press Win + R , type regedit , and press .