1,024×768 display (1,280×800 recommended) with qualified hardware-accelerated OpenGL® graphics card, 16-bit color and 256MB VRAM.1GB of available hard-disk space for installation additional free space required during installation (Photoshop CS5.1 cannot be installed on flash-based storage devices.).Microsoft® Windows® XP with Service Pack 3, Windows® Vista® Home Premium, Business, Ultimate, or Enterprise with Service Pack 2, Windows® Vista® 64-bit or Windows® 7.
