For 64-bit Windows 10/11, even the original CD won’t install without hacks—and those hacks often break after a Windows update.
Instead of chasing a dead driver, current Nikon Coolscan owners use (by Hamrick Software) or SilverFast (by LaserSoft Imaging). Both: nikon scan 4.0 2 download
Nikon Scan is strictly incompatible with modern macOS (10.15 Catalina and later) because it is a 32-bit application. LincolnScan 4. Recommended Alternatives For 64-bit Windows 10/11, even the original CD