Windows users have recently begun mass-reporting that Microsoft's Defender antivirus program, which is integrated into Windows 10 and 11 by default, is
You could get a second hard drive and install Linux on that so you can boot into either, you can also access the files on your Windows drive from Linux (and vice versa) so you can grab the files if needed. If by game repositories you mean GitHub repos you can also just clone those down to the Linux one too
You can also transfer those files to the Linux partition directly, your file browser will (or at least should) be able to find your Windows drive or partition and let you browse all the files there, it’s easy to then drag them to a folder on the Linux side and get them copied over
You could get a second hard drive and install Linux on that so you can boot into either, you can also access the files on your Windows drive from Linux (and vice versa) so you can grab the files if needed. If by game repositories you mean GitHub repos you can also just clone those down to the Linux one too
Some of them are github repos, others are not version controlled. But good to know, didn’t even think about re-cloning them.
You can also transfer those files to the Linux partition directly, your file browser will (or at least should) be able to find your Windows drive or partition and let you browse all the files there, it’s easy to then drag them to a folder on the Linux side and get them copied over