If you are looking to revisit this classic, make sure your operating system is compatible, as many modern macOS versions no longer support 32-bit legacy apps.

The "Extended" version of CS3 was the first to introduce high-end professional tools that were absent in the standard version:

Between 2005 and 2010, the software "warez scene" was at its peak. Groups like Paradox , Core , SSG , and LAXiTY competed to release Adobe products within hours of their official launch. The tag appears to be a user or minor release group from that era, or a specific requester on a private forum (e.g., Warez-BB, TehParadox, or a dedicated IRC channel).

Now, let's address the elephant in the room—the suffix in your keyword.

: Users could open and edit the texture maps of a 3D model using standard Photoshop tools. These changes would update on the 3D model in real-time within the application.

Released in April 2007 (codenamed "Red Pill"), Adobe Photoshop CS3 Extended