Gim | Keyboard Software
gim.exe mylayout.gim # Load layout and start
gim.exe -exit # Exit running GIM instance
gim.exe -disable # Disable remapping
gim.exe -enable # Re-enable
Because GIM is not a single "download" but often a collection of tools (or a unified binary depending on your distro), installation varies. Here is the standard workflow.
GIM comes in two flavors: