Enable .net Framework 3.5.1 Offline in Windows 8

[GUIDE]How to Enable .net Framework 3.5.1 Offline in Windows 8

How to Install / Enable .net framework 3.5.1 in Offline mode

Go on "Search" Option of Windows 8 and type cmd

Now Right click on the "cmd" and if you are using Windows 8 Developer Preview then click on Advanced and after that click "Run as Administrator".If you are using Windows 8 Consumer Preview then after right click on "cmd" click on Run as administrator option.
Insert your Windows 8 Installation Disc in the Drive
Now enter the Following command in "cmd"

Code:

dism.exe /online /enable-feature /featurename:NetFX3 /Source:G:\sources\sxs /LimitAccess

Please note:- Letter "G" in above command is the drive letter in which your Windows 8 installation Disc has been inserted.

Just click Enter button after writing the commands.
Wait for a minute and your .net Framework will be installed.