...
After connecting Arrow USB Programmer2 to the PC, two unknown devices might appear in the “Other devices” section of device manager of the PC.
Windows usually automatically finds the appropriate drivers for these devices. After some time, the “Other devices” section should be empty. Instead, two USB Serial Converters should be listed in the section “USB Serial Bus controllers”. Furthermore, a USB Serial Port should be listed in the “Ports (COM & LPT)” section.
...