Adobe Photoshop CS3 Extended, released in 2007, requires an (also known as a response code) for activation if an internet connection is unavailable or if the software cannot reach Adobe's servers.

Note: As of 2023, Adobe has removed many of these direct download links from their public help pages. You may need to contact Adobe Support via chat with your original proof of purchase to see if they can still provide the legacy installer. Avoiding Risks: Keygens and Cracks