Do I really need to activate my Windows 11 key within 30 days?

Honestly, deals like that often make you wonder. Many people have said that keys from unofficial sources can be problematic. Sometimes they sell enterprise licenses as cheaper keys, and those can expire or stop working at any point. If you didn't buy it from a legit channel, there's a risk involved.

Typically, Windows activation keys don't have a strict expiration like that. It might be saying you'll have 30 days to activate it after you install Windows. You could try reaching out to their support just to clarify what the 30 days means. They might provide you some leeway if you're not ready to activate right away.

You might want to consider using it within 30 days, as some of these gray market codes can get banned if they go unused. If it's not legit, there's a good chance you could end up losing that $10—better to activate it and see if it works.

In short, activate it soon if you can. The general consensus is that the key might not last, and you could lose that money. It’s a bummer, but better safe than sorry!

I get that you found an awesome deal, but usually, if it seems too good to be true, it might be. There's a reason official licenses are priced higher because they don't come with these issues. I'd use it sooner rather than later if I were you.