Decryption keys for Cemu are required to run encrypted Wii U game files, typically in
keys.txt in Cemu’s root directory, with correct Title ID:Key pairs.The short answer for 2025: You will still need Title Keys, but you will likely never see them again. By using the "Automatically check for updates" feature in Cemu, the emulator handles the keys in the background. You simply drag a game file into the Cemu window, and it plays. cemu wii u title keys
You only need to manually add title keys if you are using encrypted game files. Decryption keys for Cemu are required to run