win8.1 installed system must look, how to install offline ". Net3.5 "

The first step, double-click the ISO file you installed WIN8 is the image file, and then look at the computer, mirroring the disk of the virtual disk is now loaded, such as "X" is a drive letter (note this step, if the installation of compression software may be opened with compression software, so that can not be loaded into the explorer, to see the computer, Mirror the drive letter of the loaded virtual disk);

The second step: shortcut key win+x go, bring up win8 powerful Super menu, select "Command Prompt (Administrator)", to enter the familiar cmd world. Then the most sacred and most important moment came, input or you want to save the direct copy of the small, recommended copy, note: "/source:g:\sources\sxs" inside the capital of the "G" to change to your own corresponding to the disk of the virtual disk letter Oh! Must be. "

Then enter the following command: Dism.exe/online/enable-feature/featurename:netfx3/source:g:\sources\sxs

(Note: Do not enter an error in a space, otherwise you cannot execute the command) then wait on the line, 3-5 minutes, of course, if the character is not good can be up to 15 minutes, you will see the completion of 100%, this close off just fine. To the "open and close function" To see, net3.5 's tick has been hit Oh!