Sites like DriverGuide.com or DeviceDrivers.com sometimes host the original .exe file. Always scan downloaded files with Windows Defender or Malwarebytes before running them.
Third-party driver databases like Driver Scape host various versions of "Scanner Mouse" drivers, though users should exercise caution with these sites. brookstone scanner mouse software download
If you just want to digitize old receipts for fun, the manual driver installation process above (with driver signature enforcement disabled) will work on most USB 2.0 ports. Sites like DriverGuide
The is a legacy peripheral that combines standard optical mouse functions with a built-in handheld scanner capable of scanning documents up to 16.5" x 11.7" at 320 DPI. Software Download and Compatibility brookstone scanner mouse software download
Are you seeing a specific when you try to use it?