Rainbow Sentinel System Driver 73 2 Windows 10 Link Guide
On Windows 10, go to: Settings → Update & Security → Windows Update → View optional updates → Driver updates. Look for "Sentinel USB Key" or "Rainbow Technologies."
When you plug the USB key into your computer, Windows needs a to recognize it. The numbers "73 2" likely refer to a specific driver version released several years ago. rainbow sentinel system driver 73 2 windows 10 link
https://drive.google.com/file/d/1Xxxxxxx_Sentinel_System_Driver_v7.3.2.zip (request access if dead – PM me) On Windows 10, go to: Settings → Update