Thank you!

Don't wanna rush you, but you are aware that I am still waiting for that key, right? It has been 4 days, and the site tells me you've been online, so I assume you're not in a position where it's impossible for you.

sorry this is my first time using this site I don't know what to do

Find your created giveaways, you can probably put the key in there somewhere. But also, when you created the giveaway there was the option to put the key in then