You can installation Net-Framework 3.5 with Powershell, this is a very simple process. Please follow step by step from below.
Start Windows PowerShell in the Administrator Command Prompt by typing:
To install .NET Framework 3.5 from installation media located on your computer, then use the following command:
Install-WindowsFeature Net-Framework-Core -source d:\sources\sxs
To verify installation, run the following command:
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How to enable .NET Framework 3.5 by using with Windows PowerShell.
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