Enable .NET Framework 3.5 by using Windows PowerShell
Steps
Start Windows PowerShell in the Administrator Command Prompt by typing:
powershell
To install .NET Framework 3.5 from installation media located on a network share, use the following command:
Install-WindowsFeature Net-Framework-Core -source \\network\share\sxs
Where \\network\share\sxs is the location of the source files.
To verify installation, run the following command:
Get-WindowsFeature
The Install State column should show Installed for the .NET Framework 3.5 (includes .NET 2.0 and 3.0) feature.
Steps
Start Windows PowerShell in the Administrator Command Prompt by typing:
powershell
To install .NET Framework 3.5 from installation media located on a network share, use the following command:
Install-WindowsFeature Net-Framework-Core -source \\network\share\sxs
Where \\network\share\sxs is the location of the source files.
To verify installation, run the following command:
Get-WindowsFeature
The Install State column should show Installed for the .NET Framework 3.5 (includes .NET 2.0 and 3.0) feature.

