Adobe Photoshop Lightroom Classic CC 7.5 (released in August 2018) is a legacy version of Adobe's professional photography workflow and editing software. While "portable" versions are often sought for their convenience and lack of installation, they are not official Adobe products and carry significant risks.
Searching for free, portable versions of professional software like Lightroom Classic often leads to "sketchy" third-party sites that pose serious security threats. Adobe Photoshop Lightroom Classic CC 7
: Users gained the ability to resize and drag images freely within cells, rather than being restricted to rigid templates. Adobe Photoshop Lightroom Classic CC 7
: Introduced precise padding adjustments and the ability to layer multiple cells by moving them to the "front" or "back". Adobe Photoshop Lightroom Classic CC 7
: Added the ability to pause and resume book uploads to Blurb.