Click Start menu
If on windows vista or 7 click 'Start' type 'run' and hit enter
If on xp click 'Start' and then click 'run'
Then type in 'dxdiag' (without the ' ' )
Hope that helps
Here is mine
Manufacturer: NATMAN
Processor:Intel(R) Core(TM)2 Quad CPU Q8200 @ 2.33GHz (4 CPUs), ~2.3GHz
Memory:4096MB RAM
Hard Drive: 1 TB Total
Video Card: NVIDIA GeForce GTS 250
Monitor: BenQ T2200HD (Digital)
Sound Card: Speakers (High Definition Audio Device)
Speakers/Headphones: Logitech 5.1
Keyboard: G15
Mouse: Logitech HID-compliant G9x Laser Mouse
Mouse Surface: A mouse pad...
Operating System: Windows 7 Professional 32-bit
Motherboard: GIGABYTE EP43-US3L
Computer Case: V9 TT Case