Performance Improvements: For many users on older hardware, CC 2018 represents the "sweet spot" before the software became significantly heavier with the introduction of the Sensei AI engine in later years. Understanding the "Portable" Version

If you’d like me to write a helpful, ethical post on any of those topics, just let me know.

Adobe does not produce or support an official portable version of Photoshop

2.6 GB of available hard-disk space for 32-bit; 3.1 GB for 64-bit.