Use VueScan or install Oracle VirtualBox (free) with a Windows XP ISO. VirtualBox supports USB passthrough but is slightly more complex to configure than Windows Virtual PC.
However, if you scan daily for business, consider upgrading to a modern scanner with native Windows 10/11 64-bit drivers. The USC 5800’s motor noise and warm-up time (up to 30 seconds) are relics of a bygone age. Umax Usc 5800 Scanner Driver For Windows 7 64 Bit
If you prefer free software and do not want to pay for VueScan, you can run a inside Windows 7 using Windows Virtual PC . This creates a sandbox where the original Umax USC 5800 32-bit drivers will work. Use VueScan or install Oracle VirtualBox (free) with