you need to have access to the domain, so you can enter data (a small json file).
OR you can register at a domain that does this for you. Like I did by registering at getalby.
Look at the video (Step by step guide video for #nostr starters)
Discussion
Thanks! Not sure why but the vid link isn't live and can't be copied separately from the rest of your post. I can do it manually, just curious why the link isn't live?