Photoshop CS4 System Requirements

Minimum system requirements:

CPU:

1.8 GHz or faster processor

RAM:

512 MB of RAM (1 GB recommended)

OS:

Microsoft® Windows® XP with Service Pack 2 (Service Pack 3 recommended) or Windows Vista® Home Premium, Business, Ultimate, or Enterprise with Service Pack 1 (certified for 32-bit Windows XP and 32-bit and 64-bit Windows Vista)

Store:

1 GB of available hard-disk space for installation; additional free space required during installation (cannot install on flash-based storage devices)

Resolution:

1,024 x 768 display (1,280 x 800 recommended) with 16-bit

ODD:

DVD-ROM drive

Network:

Broadband Internet connection required for online services

Note: Some GPU-accelerated features require graphics support for Shader Model 3.0 and OpenGL 2.0. QuickTime 7.2 software required for multimedia features