Adobe Photoshop CS3 Extended, first released in 2007, was a landmark version that introduced 3D engine capabilities and advanced image analysis tools. However, as of , there are several legal and technical realities to consider:
In December 2019, Adobe stopped providing official download links for CS3 entirely. Adobe Photoshop CS3 Extended, first released in 2007,
If you bought CS3 Extended back in the day and still have the serial number: Adobe Photoshop CS3 Extended