Win8 can not install net3.5 how to do?

1. Open the win8 installation disk and extract the sourcessxs folder to d:sourcessxs (or another disk, for example);

2. Open the c:windowssystem32 folder. Find cmd.exe, right-click and select "Run as administrator";

3. Execute the following command from the command line:

dism.exe /online /enable-feature /featurename:NetFX3 /Source:d:sourcessxs (which is extracted in the first step)

It takes about a minute or two to execute. The result is as follows:

Deployment Image Servicing and Management tool

Version: 6.2.8250.0

Image Version: 6.2.8250.0

Enabling feature(s)

[============== ============100.0%=========================================== The operation completed Successful.

Get it~~