Hey @JamminJerry I think I ran into the same issue you had a few weeks back. My windows key won't work on that stupid keyboard. It works when set to Mac, but not on the PC setting. So weird.
@mcourcel found it. here you go.
Redragon K618 PRO 3-Mode Wireless RGB Mechanical Keyboard, BT/2.4Ghz/Wired Low Profile Win/Mac Gaming Keyboard w/Ultra-Thin Design, Dedicated Media Control & Linear Red Switch