.Net 3.5
Command
To install, you need the 'microsoft-windows-netfx3-ondemand-package.cab ' file from the DVD. Either run command below with file or mount DVD prior to install.
mkdir c:\sources\sxs &&
move microsoft-windows-netfx3-ondemand-package.cab c:\sources\sxs\
dism /online /enable-feature /featurename:NetFx3 /All /Source:C:\sources\sxs /quiet