To shrink 1.5GB down to 150MB, the repacker removes critical components. Users report:

These are not official Adobe products. They often lack critical updates, can be unstable on modern operating systems, and may violate software licensing agreements. Malware Potential:

For professional work, stick to the official Adobe CC or transition to Photopea. For hobbyist USB tinkering on offline machines, the portable CS6 works—but always scan before you click.

The version from PortableAppzBlogspot works —there is no denying that if you download a clean copy, you get a fast, functional Photoshop CS6 on a USB stick. However, calling it the "best" is dangerous.