I downgraded my computer from Windows 11 to Windows 10 and I guess in the process it whipped my whole OS drive, so I lost every game I was working on. One of the games is a whatever to remake, I understand everything I did and it wasn't too large yet. But the game I have on the arcade was a proof of concept and it has been a genuine slug to try and make... I'd really like to not have to start over.
Develop games in your browser. Powerful, performant & highly capable.
You can't open an exported game in the editor anyways even if you could download it.
Recommend using cloud services to save any long term projects you might have in the future, there are many free options like Google drive, dropbox, onedrive ext