There are two primary types:
To use Cemu's online features (like pretending to be on a real Wii U network), you need additional and a valid account dump from a real console. These are separate from decryption keys and require more advanced steps. keys cemu
For older Cemu versions, you manually placed a keys.txt file in the Cemu directory. The new built-in manager is far easier. There are two primary types: To use Cemu's