Scam websites know people search for and charge $29.99 for a fake "universal driver." Do not buy it.
However, there is an still accessible via the BenQ Europe legacy portal. Here is the safe route: flatbed scanner 22 driver benq 4300 free download
VueScan includes its own reverse-engineered drivers for the BenQ 4300 built directly into the software. Scam websites know people search for and charge $29
(often listed as the Acer/BenQ 4300U) and need it to talk to a modern computer, finding the right driver is half the battle. (often listed as the Acer/BenQ 4300U) and need
For macOS:
VueScan is a universally compatible scanning application built specifically to support thousands of legacy scanners that vendors no longer update.
If you try to run this on Windows 10, you may receive a "This driver is not digitally signed" error. You will need to disable Driver Signature Enforcement temporarily: