“Initial installation requires one-time internet connection; ability to save game, earn achievements, receive title updates and online play requires log-in to Games for Windows LIVE; software installations required including Microsoft Visual C++2008 Runtime Libraries, Games for Windows LIVE client, Games for Windows LIVE Client Patch, Sony DADC SecuROM, Microsoft DirectX.”

Minimum system requirements:

• OS: Windows XP, Vista, Windows 7
• Processor: AMD Athlon 64 Processor 3800+ 2.4Ghz or better, Intel Pentium 4 530 3.0Ghz Processor or better
• Memory: 2GB
• Graphics: NVIDIA 7800GT 256MB graphics card or better, ATI Radeon X1900 256MB graphics card or better
• DirectX: DirectX 9.0c
• Hard Drive: 11GB
• Sound: 100% DirectX 9.0C compliant sound card or onboard sound

Recommended system requirements:

• Processor: AMD Athlon 64 X2 5200+ Dual Core 2.60Ghz, Intel Core 2 Duo E6420 Dual Core 2.13Ghz
• Memory: 3GB
• Graphics: NVIDIA 8800GT 512MB graphics card or better, ATI Radeon HD4830 512MB graphics card or better

Ubisoft has released on their official forum the minimum system requirements for Prince of Persia:

Minimum System Requirements

• Supported OS: Windows® XP/Windows Vista®
• Processor: Dual core processor 2.6 GHz Intel® Pentium® D or AMD Athlon™ 64 X2 3800+ (Intel Core® 2 Duo 2.2 GHz or AMD Athlon 64 X2 4400+ or better recommended)
• RAM: 1 GB Windows XP/2 GB Windows Vista
• Video Card: 256 MB DirectX® 10.0–compliant video card or DirectX 9.0–compliant card with Shader Model 3.0 or higher (see supported list)*
• Sound Card: DirectX 9.0 or 10.0–compliant sound card (5.1 sound card recommended)
• DirectX Version: DirectX 9.0 or 10.0 libraries (included on disc)
• DVD-ROM: DVD-ROM dual-layer drive
• Hard Drive Space: 8 GB
• Peripherals Supported: Keyboard, mouse, optional controller (Xbox 360® Controller for Windows recommended)