Imagine walking into a library, university computer lab, or a client’s office. The computers have Photoshop blocked by IT policies. By plugging in a 500MB USB drive containing the Portable version, you can:
The portable version of Adobe Photoshop CC 2015 V16.1.2 is designed to be a self-contained package that can be run from a USB drive or any other portable storage device. The preactivated license means that users don't need to enter a serial key or activate the software through Adobe's servers. Adobe Photoshop CC 2015 V16.1.2 Preactivated Portable