: Every key must be placed on its own line. You can add comments to keep track of which key belongs to which game by using the Troubleshooting Common Errors
This process requires a homebrewed Wii U console. By using homebrew applications like or readdlc , you can extract the system's common key and your games' title keys directly to an SD card or USB drive. Once extracted, you can copy and paste those text strings into your PC's keys.txt file.
: Open NandDumper on your Wii U and dump the OTP.bin file to your SD card.
Note: The # symbol tells Cemu to ignore everything after it on that line, allowing you to add labels so you know which key belongs to which game. How to Create and Set Up keys.txt cemu emulator keys.txt
The file in the Cemu emulator serves as a decryption database that allows the software to "unlock" and run Wii U game files . It acts as a security handshake between the game data and the emulator, confirming that the files are valid for playback. Primary Functions
The keys.txt file is a necessary component for users running encrypted Wii U ROMs in Cemu. By placing the correct keys in the root Cemu folder, you enable the emulator to decrypt your legally owned games. Share public link
If you are still receiving errors after creating your file, look out for these common pitfalls: "Key for this game is missing in keys.txt" : Every key must be placed on its own line
The world of PC emulation has opened up incredible opportunities to play console-exclusive titles on your computer, often at higher resolutions and smoother frame rates than the original hardware ever allowed. Among the most successful and beloved emulators is , the software that breathes life into Wii U games on Windows, Linux, and Steam Deck.
Paste your specific game title keys on the subsequent lines. Save the file ( Ctrl + S ) and close Notepad. Step 3: Test the Game Launch Cemu.exe . Go to and select your .wud or .wux game file. If the keys are correct, the game will boot immediately. How to Get Legitimate Wii U Keys
If you are missing a specific key, communities often provide "complete" keys.txt files, though you should prioritize dumping your own. Once extracted, you can copy and paste those
The emulator looks inside its root folder for a file named exactly keys.txt . If the file is missing, empty, or contains incorrect keys, Cemu will fail to load the encrypted game and will display an error. Do You Always Need a keys.txt File?
When dumping keys manually, you may get binary files rather than text. Cemu requires keys in hex character representation. Use a hex editor to convert binary keys to the proper format.
This comprehensive guide explains everything you need to know about the keys.txt file, why Cemu requires it, and how to configure it correctly to get your games running. What is the Cemu keys.txt File?