Instructions
Open your .wad extraction program and unpack your .wad files. Files with the extension ".wad" are compressed files and need to be unpacked or extracted. Programs such as Zipzag, Bookmark Exporter and Zipsearch extract .wad files (see Resources).
Insert your SD card into an open SD card slot on your computer.
Open Windows Explorer and click on the folder containing the files extracted from your .wad files.
Right-click on the games you wish to transfer to your SD card to open a pop-up menu.
Click "Copy."
Right-click on the drive letter representing your SD card slot to open a pop-up menu.
Click "Paste" to transfer the games from your hard drive to your SD card.