When you rip a Wii U game disc to your PC (a process called "dumping"), the resulting files (typically in WUD or WUX format, or the loadiine folder structure) are . Without the correct keys, Cemu sees the game data as gibberish.
The keys.txt file needs to be placed in the main Cemu directory, where your Cemu.exe is located. Alternatively, in newer Cemu versions, you can place it in the same folder as your settings.xml .
The file usually contains a 32-character hexadecimal key followed by the name of the game it belongs to, one per line.
If you are still receiving a decryption error after adding the file, check the following: cemu emulator keys.txt
Are you having trouble with a not showing up in your Cemu library, or are you seeing a "Missing Key" error?
The keys.txt file is an essential component for playing encrypted Wii U games on Cemu. While it adds a step to the setup process, it serves an important purpose: ensuring that the emulator remains legal and that users must legitimately own the games they play. With the steps outlined in this guide, you should be able to properly configure your Cemu emulator, obtain legal keys from your own console, and enjoy your legally-owned Wii U library with enhanced performance and graphics on PC.
There are three primary ways a user can populate their keys.txt file: When you rip a Wii U game disc
In Windows File Explorer, click the View tab at the top and check the box for File name extensions . Inspect your file and remove the extra .txt if it exists. 3. Incorrect File Placement
If you are using or .wux game formats, which are full, uncompressed dumps of Wii U discs, you must have a keys.txt file placed in the correct location.
The Cemu emulator allows you to play Nintendo Wii U games on your PC in high resolutions and smooth frame rates. However, when you first load a game, you might encounter a frustrating error: Alternatively, in newer Cemu versions, you can place
: Game dumps in Loadiine directory format are pre-decrypted and don't require game keys. Just ensure the Loadiine folder is properly structured in your ROMs directory.
: A global key used for general decryption tasks across the system.
What are your game files currently in (.wud, .wux, or folder format)? Which version of Cemu are you running (1.x or 2.0+)? Are you trying to dump keys from a physical console ? Share public link