regedit the caps-lock key into a control key

  1. regedit HKEY_LOCAL_MACHINE/System/CurrentControlSet/Control/keyboard layout
  2. click on it and add a new binary key named Scancode Map
  3. Set the key to: 00 00 00 00 | 00 00 00 00 | 02 00 00 00 | 1D 00 3A 00 | 00 00 00 00