In the golden era of desktop publishing—roughly the late 1990s to the mid-2000s—UMAX Technologies was a household name. Their Astra series of flatbed scanners offered a tantalizing mix: near-professional image quality at consumer prices. Among these, the UMAX Astra 5800 stood out as a workhorse. With an optical resolution of 1200 x 2400 dpi, 42-bit color depth, and a transparent media adapter for scanning slides and negatives, it was a dream for graphic designers, archivists, and photo enthusiasts.
VueScan bypasses the need for the original manufacturer’s kernel driver by communicating directly with the scanner’s hardware using its own reverse-engineered drivers. It is fully compatible with 64-bit versions of Windows 7. umax astra 5800 scanner driver for windows 7 64 bit
If you refuse to pay for third-party software, there is a free but cumbersome method: Windows XP Mode (available for Windows 7 Professional, Ultimate, and Enterprise). This is a pre-packaged virtual machine running 32-bit Windows XP, complete with USB redirection. The Lost Art of Scanning: Reviving the UMAX
Title: Getting Your UMAX Astra 5800 to Work on Windows 7 64-bit: A Driver Guide Official x64 installer (CD/manufacturer)