1. Cannot be installed in Add/Remove Programs
"Enable to turn off the windows function" is downloaded and installed online.
2. Netframework3.5 offline installation method
1. Unzip the win10 installation disk and enter D:\Windows10\sources\sxs (or find the offline package in the group file)
2. "Windows+X" click "Command Prompt Administrator", enter the dos interface, and enter (paste directly, if you copy and paste, you must replace that E with the disk where you store the sxs folder)
dism.exe /online /enable-feature /featurename:NetFX3 /Source:E:\sxs。
Then a progress bar will come out, and it will take a few minutes.
3. Execute the dos script
C:\WINDOWS\system32>dism.exe /online /enable-feature /featurename:NetFX3 /Source:D:\Windows10\sources\sxs
deployment image service and management tool
version: 10.0.14393.0
image version: 10.0.14393.0
enable one Or multiple functions
[=========================100.0%=================================================================================================================================================================================================================================================================== =========] The
operation completed successfully.
C:\WINDOWS\system32>