Copy the 32-character keys into your Cemu keys.txt file following the format guide above. Click and close the document. Troubleshooting Common Cemu Key Errors
: Keys are case-sensitive hexadecimal strings. The Wii U Common Key is typically 32 characters (16 bytes) when written without spaces. Game keys may follow similar formats.
: A decrypted directory structure containing multiple files and folders. Since these files are already decrypted, Cemu can launch them directly without needing a game key. However, you still need the Wii U Common Key for some operations.
WUA, WUP Installable (RPX/RPL files), or extracted games often come pre-decrypted. If you are using Wii U USB Helper to download games, they are generally already decrypted, and you may not need a manual keys file. How to Create and Set Up keys.txt cemu emulator keys.txt
The legal status of console keys is murky. Console manufacturers argue that distributing decryption keys violates the Digital Millennium Copyright Act's (DMCA) anti-circumvention provisions. However, laws vary by country.
The proper, legal workflow is: own a physical copy of the game → dump it from your console → extract the decryption keys from your console → play using Cemu.
Navigate to your (where Cemu.exe is located). Copy the 32-character keys into your Cemu keys
This is the most critical section of this article. The search term "cemu emulator keys.txt" often leads users to piracy websites. It is vital to distinguish between what is legal and what is not.
Right-click an empty space, hover over , and select Text Document .
# Wii U Common Key d7b00402659ba2abd2cb0db27fa2b656 # Game Title Key Example (The Legend of Zelda: Breath of the Wild) a1b2c3d4e5f67890a1b2c3d4e5f67890 # Title Name Optional Description Use code with caution. How to Legally Dump Keys from a Wii U Console The Wii U Common Key is typically 32
The keys.txt file contains a set of encryption keys that are used to decrypt the Wii U game's files, allowing the emulator to read and play the game. These keys are specific to each Wii U console and are used to secure the games and other data on the console. When a user obtains a keys.txt file, they are essentially getting a copy of the encryption keys from a Wii U console.
Without the correct keys, Cemu will either:
Ensure the file is actually in the Cemu folder.
The keys.txt file acts as a database for Cemu, allowing it to look up the specific decryption key needed for each game you try to play. When Do You Need a keys.txt File?
It contains the unique, 32-character hexadecimal keys required for Cemu to decrypt and load specific, encrypted Wii U titles.