Efex Pro 3.0 Serial Number | Nik Software Color

Color Efex Pro 3.0 was designed for 32-bit systems and older versions of Photoshop (CS4/CS5). It rarely functions correctly on modern 64-bit versions of Windows 11 or macOS Sonoma/Ventura.

While Google no longer hosts it, legal archives like the Wayback Machine or sites like TechSpot still host the official installer for the free Google version. This version typically does not require a serial number to activate. Nik Software Color Efex Pro 3.0 Serial Number