Fix NET Framework 3 5 Error 0x800f0950

Fix .NET Framework 3.5 Error 0x800f0950 in Windows 10 and 11 and windows server 2016,2019

how to fix .net framework 3.5 includes 2.0 and 3.0

Run CMD as administrator : keep windows media source in PC
In windows server 2016,2019 run PowerShell As administrator
Change E: drive to your windows USB boot or dvd Source name like D: E: F:
Copy and Paste in the command prompt.

Dism /online /enable-feature /featurename:NetFX3 /All /Source:E:\sources\sxs /LimitAccess