为了便于管理，建议按照以下格式在 keys.txt 中写入密钥：

找到你所拥有游戏的正确密钥，将其复制并粘贴到 keys.txt 文件中。以下是正确的文件内容示例：

Ensure keys.txt is in the exact same root folder as Cemu.exe . Double-check that your game's specific 32-character title key matches its exact region. A USA title key will not decrypt a European (EUR) disc image.

: Place the file in your main Cemu directory. On specialized platforms like , it belongs in %USERPROFILE%\emudeck\EmulationStation-DE\Emulators\cemu : Each key must be on its own line. Any text after a character is ignored as a comment. 541b9889519b27d363cd21604b97c67a # Example Game Key Wii U Common Key

By understanding the different game formats, knowing exactly where to place the file, and obtaining your keys responsibly (ideally by dumping them yourself), you'll be well on your way to enjoying your Wii U library in higher resolutions and with enhanced performance on your PC.

: Ensure each key is on a new line and follow the format: [Key] # [Game Name] . Helpful Community Guides :

Even with the keys, things can go wrong. Here are the most frequent issues and how to fix them.

While modern, unencrypted gaming formats like .wua do not require this step, mastering the keys.txt file remains mandatory if you manage raw disc imagery. This comprehensive guide breaks down the structure of these cryptographic assets, legal dumping workflows, directory mapping across different operating systems, and critical troubleshooting routines. Why Does Cemu Need a keys.txt File?

The safest and most legal method to obtain your keys is to dump them directly from your physical Wii U console. To do this, your Wii U must be running homebrew environment (like Tiramisu or Aroma). Step-by-Step Dumping via Dumpling

D7B00402659BA2ABD2CB0DB27FA2B656 # Wii U Common Key ABCD1234EFGH5678IJKL9012MNOP3456 # Your Game's Title Key # This is a comment line, Cemu ignores anything after a '#'

What are your game files currently in ( .wux , .wud , or a folder structure)?

The exact location for keys.txt depends on your operating system and whether you use a launcher. The general rule is to place it in the same directory as Cemu.exe .