Adobe Photoshop CC Portable is a modified version of the standard Adobe Photoshop software. Unlike the official version, which requires installation via the Adobe Creative Cloud desktop app and activation via a subscription license, a "Portable" version is altered to run directly from a folder or a USB drive without a formal installation process.
Understanding Adobe Photoshop CC Portable 2022 (v23.3.2.458) Adobe Photoshop CC Portable -2022- V23.3.2.458
Versions labeled "Portable" found on third-party sites are unofficial modifications. Here is what you should consider: Do Photoshop have portable version? - Adobe Community Adobe Photoshop CC Portable is a modified version