The tool identifies keyboards by their unique hardware IDs. This means Player 1 can use a mechanical keyboard while Player 2 uses a wireless deck, and the software will never confuse their "W-A-S-D" inputs. Customizable Mapping
Now, when your game runs, it only sees the physical keyboard. The virtual splits remain hidden to the game but visible to the secondary application you want (e.g., Discord, OBS, or a second game client on another monitor). softpedia gaming keyboard splitter
(required for driver loading).