The official software and required drivers are typically provided in the physical purchase package, but digital copies are available through official social channels and direct support:
The Rextor Pro Drag 2 is a programmable CDI (Capacitor Discharge Ignition) designed for racing and high-performance motorcycle tuning. The software allows users to customize ignition timing curves, manage dual switch maps, and set launch control parameters directly from a computer. Download and Installation download software rextor pro drag 2
How to Download and Install Rextor Pro Drag 2 a blog post describing Rextor Pro Drag 2