How can I find my recovery key?
i have a macbook Air that I factory reset with disc utility and erased it. I put in a recovery key I was 100% sure about. Then I tried installing a new Mac OS and it said not available now. Try again later, so I did. Then it showed this file with a question mark, I did the Command+R and it had a lock which meant he recovery key, so I put in the one I knew was right and it just erased it as if it was wrong. I’ve been trying for 2 days and need this Mac for school. Please help it is greatly appreciated and try not to use fancy words because I’m not too tech savvy.