The is a legacy flatbed scanner that is no longer officially supported by UMAX for modern operating systems like Windows 10 or 11. However, you can still get it working using specific driver workarounds or third-party software. 1. Universal Workaround: Windows "USB Scanner" Driver
Have a different Umax model? The same methods work for the Astra 5400, 5600, 6100, and 6400 series. Adjust the INF file selection accordingly. Umax Astra 5800 Scanner Driver Free Download
Because of the scanner's popularity, enthusiasts have modified old Umax drivers to work on modern systems. This is the closest you will get to a truly free driver. UMAX Astra 5800 The is a legacy flatbed