System Recommendations/Requirements QuickTime for Mac OS X: 400 MHz Power PC G3 or faster Macintosh computer At least 128MB of RAM Mac OS X v10.3.9 or later QuickTime for Windows: 233 MHz Intel Pentium class or better processor At least 128MB of RAM Windows 2000 or XP QuickTime HD for Mac OS X Requirements: 1.8 GHz PowerMac G5 or faster Macintosh computer At least 256MB of RAM 64 MB or greater video card QuickTime HD for Windows Requirements: 2.8 GHz Pentium 4 or faster processor At least 512MB of RAM 64MB or greater video card Windows 2000 or XP WMV Requirements: Supported Operating Systems: Windows XP; Windows XP Professional Edition ; Windows XP Service Pack 1; Windows XP Service Pack 2 WMV HD Requirements: Minimal Configuration (Play 720p video) Microsoft Windows XP Windows Media Player 9 Series 2.4 GHz processor or equivalent 384 MB of RAM 64 MB video card 1024 x 768 screen resolution 16-bit sound card Speakers Optimum Configuration (Play 1080p video with 5.1 surround sound) Microsoft Windows XP Windows Media Player 9 Series DirectX 9.0 3.0 GHz processor or equivalent 512 MB of RAM 128 MB video card 1920 x 1440 screen resolution 24-bit 96 kHz multichannel sound card 5.1 surround speaker system