If you have placed the file in the correct directory but your games still show an "Encrypted ROM" error, check for these common formatting mistakes: How to Fix
Keep your aes_keys.txt file safe and back it up. Every time you update Citra, ensure the file remains in the correct user folder. Without it, most games simply will not work. citra aes keystxt top
Websites promising the "top" keys.txt files are often: If you have placed the file in the
The location depends on your operating system. If the sysdata folder doesn't exist, you must create it yourself (all lowercase). citra aes keystxt top
Need help finding the right folder on your Steam Deck or Android?
This method creates a file containing all the keys unique to your console.