Nintendo used to provide a Pro build of the latest Unity that didn't rely on your existing licenses in any way to function. IIRC you could even use it to make

Nintendo used to provide a Pro build of the latest Unity that didn't rely on your existing licenses in any way to function. IIRC you could even use it to make a release PC game builds, but I'm sure Unity could figure out what you were doing if you actually shipped with it as a workaround for buying your own license.