Minimum 192 MB, though 256 MB was recommended for better performance.
A new Histogram Palette provided a live view of the image's tonal distribution as edits were made. System Requirements for Windows adobe photoshop cs windows
The CS release introduced several tools that are still central to the modern Photoshop experience: Minimum 192 MB, though 256 MB was recommended
Today, Adobe has transitioned to the Creative Cloud (CC) subscription model, but the CS series is often remembered for its perpetual license model and the introduction of tools that defined modern digital photography. Multimedia Systems Minimum 192 MB