Adobe Photoshop CS6 (Creative Suite 6) was released in 2012. It was the last perpetual-license version of Photoshop before Adobe switched to the Creative Cloud (CC) subscription model. CS6 is now considered legacy software — no longer updated, patched, or supported by Adobe. Despite its age, many professionals and hobbyists still value CS6 for its stability, familiar interface, and one-time payment model (when purchased legally).
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CS6 brought basic video timeline capabilities to the standard version of Photoshop, not just the "Extended" edition. The Appeal of Portable Software