Adobe Photoshop 1.0 [top] Jun 2026

, Lasso, and basic text customization. Historical Impact Before Photoshop, digital image retouching required dedicated high-end workstations costing hundreds of thousands of dollars. Photoshop 1.0 allowed a single user on a relatively affordable Macintosh Plus to manipulate pixels with high black-and-white fidelity and continuous tone color. This shift effectively "added a verb to the dictionary" and defined the graphical user interface (GUI) era of creative software. Would you like a comparison of

| Component | Requirement | |-----------|--------------| | Computer | Macintosh Plus, SE, or Macintosh II series | | Operating System | System 6.0.3 or later | | RAM | 2 MB minimum (1 MB for app, 1 MB for image) | | Storage | One 800 KB floppy disk (application) + hard drive recommended | | Display | Grayscale or 8‑bit color (256 colors) | | Input | Mouse required | adobe photoshop 1.0

The Knoll brothers' creation not only changed the world of photography and graphic design but also had far-reaching implications for various industries, including: , Lasso, and basic text customization

February 19, 1990 Developer: Adobe Systems (code written primarily by Thomas and John Knoll) Original Codename: "Display" This shift effectively "added a verb to the

It shipped on two 800 KB floppy disks. The manual was over 300 pages and included a reference card.