What are the minimum system requirements to play World of Warcraft

PC System Requirements

OS:Windows XP 32/64-Bit (Service pack 3)
Windows Vista 32/64-Bit (with the latest Service Packs)
Windows 7** 32/64-Bit (with the latest updates)
Processor:Minimum: Intel Pentium 4 1.3 GHz or AMD Athlon XP 1500+
Recommended: Dual-core processor, such as the Intel Pentium D or AMD Athlon 64 X2

Memory:Minimum: 512 MB RAM (1GB for Vista users)
Recommended: 1 GB RAM (2 GB for Vista users)
Video:Minimum: 3D graphics processor with Hardware Transform and Lighting with 32 MB VRAM Such as an ATI Radeon 7200 or NVIDIA GeForce 2 class card or better
Recommended: 3D graphics processor with Vertex and Pixel Shader capability with 128 MB VRAM Such as an ATI Radeon X1600 or NVIDIA GeForce 7600 GT class card or better

Storage: 15 Gigabytes or more free hard drive space is required

Sound: DirectX-compatible sound card or motherboard sound capability
** The exact hardware requirements for Windows 7 are still being calculated. Only retail versions of Windows 7 are supported.

Mac System Requirements

OS:Mac OS X 10.4.11 or newer
Processor:Minimum: PowerPC G5 1.6 GHz or Intel Core Duo processor
Recommended: Intel 1.8GHz processor or better

Memory:Minimum: 1 GB RAM
Recommended: 2 GB RAM

Video:Minimum: 3D graphics processor with Hardware Transform and Lighting with 64 MB VRAM Such as an ATI Radeon 9600 or NVIDIA GeForce Ti 4600 class card or better
Recommended: 3D graphics processor with Vertex and Pixel Shader capability with 128 MB VRAM Such as an ATI Radeon X1600 or NVIDIA 7600 class card or better

All Platforms

Controls: A keyboard and mouse are required. Input devices other than a mouse and keyboard are not supported.
Connectivity: You must have an active broadband Internet connection (Such as Cable or DSL) to play. A hardwired connection is recommended. You must also have a valid email address.
Mouse: Multi-button mouse with scroll wheel recommended.
Hard Drive Space: 15 GB free hard drive space.