If you are one of the millions and millions of World of Warcraft players around the globe you may have some concerns about if the second expansion pack for the game, Wrath of the Lich King, will run on your PC or Mac. Thankfully Blizzard's official message boards have some updated system specs for you to take a look at. Both PC and Mac versions require 15 GB of hard drive space, a keyboard and mouse for controls (multi-button mouse with scroll wheel recommended) and a broadband Internet connection (duh).

For the PC Blizzard has minimum and recommended specs for your system:

• OS: Windows XP (Service Pack 3), Windows Vista (Service Pack 1)
• 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
  
• RAM: Minimum - 512 MB RAM (1GB for Vista users) -- Recommended - 1 GB RAM (2 GB for Vista users)
  
• Video Card: 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)
• Sound: DirectX-compatible sound card or motherboard sound capability

Mac owners, here's your minimum and recommended system specs

• 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
• RAM: 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)