Operating system: Windows 7/Vista/XP (with DirectX 9 or above)

Memory: 512 MB (1 GB recommended)

Minimal CPU requirement: Intel Pentium D 3.0 GHz or AMD Athlon 64 3200+ or above

Hard drive space: 1 GB

VGA card: Intel 945 (Independent graphics card recommended)

Device: Webcam (built-in or external USB)

Other software: instant messaging software with video communication functions, such as Windows Live Messenger, Skype, Yahoo Messenger, AOL Instant Messenger