Now, Cemu—the Wii U emulator on his gaming PC—was refusing to cooperate. He had the game files, the updates, even the DLC. But without the keys.txt file, they were just encrypted gibberish.
Cemu directory -> keys -> key.txt
Engage with the Cemu community for tips, troubleshooting, and the latest information on compatible games and required keytxt files. wii u keystxt for cemu