Install Net Framework 3.5 Offline Installer Windows 10 -

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

You must run commands as an Administrator. Method 1: Using DISM (Command Prompt) This is the most reliable method for offline installation. install net framework 3.5 offline installer windows 10