How to Install .Net Framework 3.5 (Feature) in Windows 8 or in 8.1

Normall installation of Windows 7 and Vista, .Net framework will install automatically. But in Windows 8 and 8.1, you have to enable this feature manually.

For this you need
1. Iso image or windows 8 or 8.1
2. PowerISO software ( )

Command: Dism.exe /online /enable-feature /featurename:NetFX3 /Source:F:Sourcessxs /LimitAccess