Enable .Net Framework 3.5 on Windows 8 and 8.1 in online/offline mode

By default Windows 8 and 8.1 does not include .Net Framework 3.5(include 2.0 and 3.0). Is only enabled to the user who upgrades form Windows 7 to Windows 8. User can check this feature is enabled or not by following this steps:

1. Go to “Windows Charm(Win + c) > Search” and type “Turn Windows Feature” and then select “Settings” below typing panel. Click “Turn Windows features on or off”.
   
    
2. Or, Go to “Control Panel” and then choose “Programs”. Click “Turn Windows features on or off”.
      
    
   
   
   
   
3. User will see a new window open like this:

 

For Online mode: The user can enable this feature by selecting “.NET Framework 3.5 (include .NET 2.0 and 3.0)” and Click OK(make sure you are connected to the internet), it will download the entire package from internet and install .Net Framework 3.5 feature.

For offline mode: User can also enable .Net Framework feature in offline mode. Just follow these simple steps:

1. Insert Windows 8/8.1 DVD or mount ISO image.
2. Open Compand Prompt with Administrative privilage.
3. Run the following command "Dism.exe /online /enable-feature /featurename:NetFX3 /All /Source:E:\sources\sxs /LimitAccess" and hit Enter and wait for a while for the task to complete.

(Note: Here E:\ is the location where windows 8/8.1 drive or mounted drive locates. Beware of the spaces and non-spaces in the given command)

After successful completion user can see the feature is enabled.