I don't think anyone should be making hardware decisions based on Windows 11 at this point. Windows 10 is going to be supported for years yet. I would wait for people to actually start upgrading and see where that leaves you.
Have you tried installing the windows 8 drivers from the support page? Sometimes Windows 10 will accept those. Your keyboard lights should be the ATK software which is on the support page and you have to expand the software section. The subwoofer probably needs the g75 specific audio driver so I'd try that. The good news is audio doesn't really need super recent drivers as long as things work.
A bus station is where a bus stops. A train station is where a train stops. On my desk, I have a work station…