Extract and place your dumped system files into this folder.

Ding-ding-ding-ding-ding-doo-doo-doo...

If you are starting fresh, create a text file named portable.txt in your main Cemu folder to keep all your data in one place.

Elias looked at the floor beside his desk. There, plugged into a wall outlet he hadn't used in years, sat an actual, physical Wii U console. He had bought it used a week ago to dump the games in the first place.

If you still want to proceed for the nostalgia factor, here is the step-by-step guide. This method does not require pirating the entire system firmware; you just need the menu app itself.