Photoshop CS5 was the last version before Adobe switched to the Creative Cloud (CC) subscription model in 2013. Many users despise subscription fees, so they seek legacy versions. However, Adobe still owns CS5—it was never free. Any “portable CS5” is pirated.
Adobe has explicitly stated they do not manufacture "portable" versions of Photoshop that run from a USB drive without installation. How They Are Made: adobe white rabbit photoshop cs5 portable exclusive
"White Rabbit" was the official internal code name for Adobe Photoshop CS5 (version 12.0). Released in April 2010, this version introduced groundbreaking features like Content-Aware Fill and advanced 3D editing tools. The "White Rabbit" Origin Photoshop CS5 was the last version before Adobe
(version 12.0), released in April 2010. While the name is a legitimate part of Adobe's history, Any “portable CS5” is pirated
The name "White Rabbit" appears in two legitimate contexts within Adobe history: