It will automatically include your public key (npub).
You do not need to worry about filling that in or changing it.
Discussion
Done now relays done then do I close?
Yes then you should just be able to close settings window, and try logging in
Says I have not remembered any app requests and under that close button or clear data
Just select close.
You can add sites you use regularly and add permissions in there if you wanted but not required.
try logging in to any nostr app that allows to sign in with an extension - like nostrnests.com