By default, Citra stores user data in your computer's system folders (e.g., AppData on Windows). To force it into :
Once you have created the user folder to make Citra portable, the directory structure changes slightly. You must place your key file in a specific subfolder: Navigate to your Citra/user/ folder. aeskeystxt citra portable
The aes_keys.txt file is a plain text document containing the encryption keys necessary for Citra to decrypt and load commercial 3DS ROMs. Without this file, Citra will fail to open encrypted games, often showing an error that the file "must be decrypted first". By default, Citra stores user data in your
: These keys are proprietary to Nintendo. Users are generally expected to dump their own keys from a physical 3DS console using tools like GodMode9 . Where to Place aes_keys.txt in Portable Mode The aes_keys