If you’re OK with those concessions, he has information on the page about flashing his build of QMK to the stock DK63 with the ST-Link V2 so you can give it a shot.

QMK is more than just typing tricks for power users Exploring QMK features, such as the ones we mentioned, elevates a keyboard from a mere input device to a deeply personalized and efficient tool.

Keychron K8 QMK V2 offers Cherry PBT keycaps, QMK firmware, Bluetooth 5.2, and hot-swappable switches for ultimate typing and gaming.

My old budget clicky (Blue switches?) mechanical keyboard is starting to fail - key backlighting on some keys has failed, so I started down the rabbit hole of mechanical programmable devices and ...