"Portable" versions of large creative suites are often unstable. Photoshop relies on a complex web of dependencies, registry keys, and driver interactions to function correctly with GPU acceleration.
If you are looking for that "portable" or lightweight experience without the risk, you might explore:
Adobe Photoshop CS6 (Creative Suite 6), released in 2012, holds a unique place in software history. It was the last major version of Photoshop sold under a perpetual license (a one-time purchase) before Adobe transitioned to the Creative Cloud (CC) subscription model.
Unofficial versions from third-party blogs may contain malware, as they are modified by unknown entities. Legal & Compliance:
