In 1993, the same year Microsoft Windows 3.1 arrived, Photoshop came to Windows with version 2.5. Adobe also released Photoshop 2.5 for two versions of Unix, Sun Microsystems' Solaris, and SGI's Irix, but later discontinued them.
Photoshop 3.0 in 1994 marked the arrival of layers, which let separate elements of an image be stacked for other, more sophisticated elements.
February 18, 2010 1:04 PM PST
Photo by: Adobe Systems
| Caption by: Stephen Shankland
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