I’d stick with Windows in your case. No shame in using what works. I had a laptop with hybrid Nvidia graphics and never could get it working satisfactorily with Linux.
The bigger deal is that development by this team has been halted, not that it will be a little harder to find a trustworthy download of the most recent version.
KDE is now working on releasing an atomic Arch-based distro themselves, which sounds a lot like SteamOS. I wonder how they will compare.