Microsoft maintains a legacy driver database. Sometimes, simply connecting the BenQ 4300 via USB and forcing a Windows Update check works.
Finding the right driver for an older device like the BenQ 4300 flatbed scanner can be tricky since official support from the manufacturer has largely ended. However, you can still get it running on modern systems like Windows 10 or 11 using specific third-party downloads or compatibility workarounds. flatbed scanner 22 driver benq 4300 free download
The BenQ 4300 scanner was manufactured in the early 2000s. BenQ officially discontinued support for this model years ago. Consequently: Microsoft maintains a legacy driver database