Install Microsoft (Dot) .Net Framework 3.5 on Windows 10 version 1903 and 1909 is done by using the tutorial bellow. The issue is since Windows 10 was introduced.
The only way we have been able to enable Microsoft (Dot) .Net Framework 3.5 on Windows 10 version 1903 and 1909 is :
Download the official ISO file (is free to download) or installation DVD of the appropriate Windows 10 build version 1903 and 1909.
Mount the ISO or DVD and copy the “SXS” folder in the “Sources” folder to the local C: drive or local location.
Click on start and in search type for cmd, right click on it and click run as administrator .
Run dism /online /enable-feature /featurename:NetFx3 /All /Source:C:\sxs /LimitAccess.
Type enter and you should get Enabling feature(s) [==========================100.0%==========================] The operation completed successfully.
Once you are done, check if .NET Framework 3.5 is enabled in Windows Features.
