Step
2:
Click Turn Windows features on or off, and the user will see window as image below.
The User can enable this feature by click on .NET Framework 3.5 (include .NET 2.0
and 3.0) select it and click OK. After this step, it will download the entire package
from internet and install the .NET Framework 3.5 feature.
But if the user does not have an internet connection, this steps can not be applied.
Solutions
The user still can enable this feature in offline mode if the user has Windows 8 DVD
or ISO image.
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