1. Copy Script\DCS-BIOS to C:\Users\[UserName]\Saved Games\DCS\Scripts.
2. Add a line to C:\Users\[UserName]\Saved Games\DCS\Scripts\Export.lua:
dofile(lfs.writedir()..[[Scripts\DCS-BIOS\BIOS.lua]])
3. Open WeflyDcsCockpit.exe, enjoy your flight.