The top productivity feature is the "App-Detect" profile.
Once you have installed your preferred software, here are the top 5 hidden features you should enable immediately: magic+refiner+mk21+keyboard+software+top
Use the MK21 software to assign a unique RGB color to each layer. Red = Gaming layer, Blue = Typing layer, Green = Macro layer. You will never get lost again. The top productivity feature is the "App-Detect" profile
The MK21 is a compact powerhouse (likely a 21-key numpad/macro pad hybrid). The hardware itself—aluminum case, hot-swappable sockets, and smooth stabilizers—sets a high bar. However, the term "Magic" in its name refers less to sleight of hand and more to the proprietary configuration software that unlocks its true potential. Pair OpenRGB with Artemis (a reactive lighting engine)
While not strictly "configuration" software, RGB management is a core part of the MK21 experience. The Magic Refiner MK21 keyboard software top lighting setup often involves OpenRGB.
OpenRGB is an open-source RGB control panel that ignores proprietary brand ecosystems. It detects the MK21’s RGB controller and allows you to:
Pair OpenRGB with Artemis (a reactive lighting engine) to make your MK21 flash on kills in Valorant or health status in Diablo.