Color Efex Pro 3.0 was released in the late 2000s under Nik Software .
This version is considered "abandonware" and has been replaced by significantly newer versions (currently Nik Collection 8 Compatibility Issues: It was designed for 32-bit systems Nik Software Color Efex Pro 3.0 Serial Number
Q: Is Nik Software Color Efex Pro 3.0 compatible with Adobe Photoshop? A: Yes, Nik Software Color Efex Pro 3.0 is compatible with Adobe Photoshop. Color Efex Pro 3