“Just don’t be logged in” is not gonna be enough, if the device is the same as you normally use and you haven’t taken extra steps to make sure the device isn’t identifiable. I’d recommend doing this from a public library computer or similar public device.

They could just change the license of their codebase, if that’s what they wanted to do. No way in hell they care about users enough though, and probably most windows users still don’t care enough even about this to jump ship.