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: