How to install .Net Framework 3.5 component on Windows. Very often we need “.NET Framework 3.5” component in our system. By default, it’s disabled. Best choice to install it in Windows 8, Windows 8.1, Windows 10, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016 is use “Command Prompt (CMD)“. For this operation, you need .iso windows distributive mounted in system or Windows disk in CD-ROM, or folder “X:\sources\sxs” copied to local disk.
1. Start Command Prompt with admin rights. For doing this – Right Mouse Button click on Start button and select “Command Prompt (Admin)“:
dism.exe /Online /Enable-Feature /FeatureName:NetFx3 /All /Source:D:\sources\sxs /LimitAccess
Where, D: is your installation media.