Cannot install .NET 3.5 on Windows 8.1

.NET Framework 3.5 installation error: 0x800F0906, 0x800F081F, 0x800F0907

You can use the Windows installation media as the file source when you enable the .NET Framework 3.5 feature. To do this, follow these steps:

  • Insert/Mount the Windows installation media.
  • At an elevated command prompt, run the following command:

Dism /online /enable-feature /featurename:NetFx3 /All /Source:<drive>:\sources\sxs /LimitAccess

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