1
Create a key
If no key exists yet, the page says so. Choose Create key.
2
Copy it
The key is shown once. Choose Copy key. After you leave the page, ReadMeliora will not show that key again. It will only say that a key is active, when it was created, and when it was last used.
3
Refresh it
Choose Refresh key to replace the current key. The previous key stops working. The new key is shown once.