This video will show you how to install .Net Framework 3.5 on Windows 10 PC or Laptop Offline, this video will teach you an easy method to complete your work.
Dism command: Dism /online /enable-feature /featurename:NetFx3 /All /Source:DRIVE:\sources\sxs /LimitAccess
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How To Fix Error Code 0x800F081F When Installing .NET Framework 3.5 in Windows 10: [ Ссылка ]
