Welcome to Adobe® Photoshop® CS5.1. This document contains late-breaking product information, updates, and troubleshooting tips not covered in the Photoshop documentation.
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Minimum system requirements Install your software Uninstall your software Trial software Electronic licensing Registration information Font installation Known issues Customercare Other resources
Minimum system requirements
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2GHz or faster processor* 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 1GB of RAM or more recommended 1GB of available hard-disk space for installation; additional free space requiredduring installation (Photoshop CS5.1 cannot be installed on flash-based storage devices.) 1,024x768 display (1,280x800 recommended) with qualified hardware-accelerated OpenGL® graphics card, 16-bit color and 256MB VRAM DVD-ROM drive Some 3D features in Adobe Photoshop Extended require an OpenGL 2.0 capable graphics card with at least 256MB of VRAM (512MB VRAM is recommended) Shader Model 3.0 Somefeatures in Bridge rely on DirectX9 capable graphics card with at least 128MB of VRAM QuickTime 7.4.5 required for multimedia features Broadband Internet connection required for online services
*SSE2-enabled processor required for AMD systems
Mac OS X
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Multicore Intel® processor Mac OS X v10.5.7 minimum is required; Mac OS v10.6.2 is recommended; 32-bit and 64-bitsystems (You may need to run 32-bit in order to run 32-bit only plug-ins.) 1GB of RAM or more recommended 2GB of available hard-disk space for installation; additional hard-disk space required during installation (Photoshop CS5.1 cannot be installed on a volume that uses a casesensitive file system or on flash-based storage devices.) 1,024x768 display (1,280x800 recommended) with qualifiedhardware-accelerated OpenGL® graphics care, 16-bit color and 256MB VRAM DVD-ROM drive Some 3D features in Adobe Photoshop Extended require an OpenGL 2.0 capable graphics card with at least 256MB of VRAM (512MB VRAM is recommended) Shader Model 3.0 QuickTime 7.4.5 required for multimedia features Broadband Internet connection required for online services
Install your software
1. Before you install, be sure to close all applications currently running on your system (including other Adobe applications, Microsoft Office applications, and browser windows). We also recommend that you temporarily turn off virus protection during the installation process. 2. You must have administrative privilegesor be able to validate as an administrator. 3. Do one of the following: Windows: Insert the DVD in your drive, then follow the on-screen instructions. If the installer does not launch automatically, navigate to the Adobe Photoshop CS5.1 folder found at the root level on the DVD and double-click Set-up.exe to start the installation process. If you downloaded the software from the web, the...