These versions bypass Adobe’s official subscription and licensing requirements.
Using modified versions of Photoshop bypasses the licensing required to support the developers. For professional work, it poses a legal risk if an audit or copyright issue arises regarding the tools used to create the media. Adobe Photoshop CC 2015 16.0.1 Portable
This is the most critical section. Using a portable version of a paid software like Photoshop carries significant risks. Adobe Photoshop CC 2015 16.0.1 Portable