Obtaining your Wii U Common Key: Download and install HxD (or equivalent Hex Editor,) and the NandDumper homebrew application place it into your SD:\wiiu\apps folder.
Tik2SD: Read the info on the Github release page, take note that all keys will be in SD:\tik2sd\keys.txt You may simply paste those keys to the bottom of CEMU's keys.txt file, then save & boot your game. Obtaining your Game Keys: Download Tik2SD and place it in your SD:\wiiu\apps folder, run the homebrew and select the option to either dump the key for your currently inserted Disc or the keys for your Digital installs. Your Wii U must have Homebrew Channel access before continuing. This page will discuss how to obtain the keys required to run WUD and WUX format games after dumping them from your Wii U console.