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Assuming you have enough resource credits you can create an account on https://steemworld.org/ Log on with Keychain. Send them the keys and make sure they know to change them.

"log in with keychain" could you explain that? Explain it like I am a 5 year old
child who knows nothing. Or like I'm a grown man who can't even send a book in the post without accidentally sticking his tablet in it.

There's a Steem Keychain browser extension that stores your keys locally and lets you log into various sites. It makes life easier and I use it all the time.

https://steemit.com/steem/@yabapmatt/hate-putting-private-keys-into-websites-introducing-steem-keychain

We really do need more handy guides on using Steem. I'm sure a lot of people struggle with it.

It's confusing AF...but hey...at least the powers that be are working hard atr making it more confusing and adding even more minutia ;P