Install .net Framework 3.5 on Windows 10

I tried to run tools like mRemote which needs .net Framework 3.5. Typically you can activate this within “Program & Features” but in Windows 10 I always got the error 0x800F081F:


but there is a way to install this feature completely offline. Just mount the Windows 10 ISO an start this command:

DISM /Online /Enable-Feature /FeatureName:NetFx3 /All /LimitAccess /Source:d:\sources\sxs

after this, NetFx3 is installed:


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