Downloading from unofficial sources is not recommended, as there is no official "portable" version of Photoshop provided by Adobe. These downloads are typically "cracked" or modified versions that carry significant security and legal risks. The Reality of "Portable" Photoshop
: Adobe does not authorize or support portable versions of its Creative Cloud apps. Adobe Photoshop CC 2018 19.1.6 Portable Free Do...
Downloading software from unofficial "free download" sites exposes your system to several dangers: Downloading from unofficial sources is not recommended, as
Adobe Photoshop is designed to be installed on a host operating system to function correctly. Websites offering a "portable" version are providing software that has been modified by third parties. Critical Security Risks
: To create a portable version, hackers must bypass Adobe's licensing and authentication mechanisms, which often involves disabling core security features of your operating system. Critical Security Risks