Screen resolution of 1024x768 or greater 1280x800 or greater is required to play an iTunes LP or iTunes Extras.To play 1080p HD video, a 2.4GHz Intel Core 2 Duo or faster processor 2GB of RAM and an Intel GMA X4500HD, ATI Radeon HD 2400 or NVIDIA GeForce 8300 GS or better are required.To play 720p HD video, an iTunes LP or iTunes Extras, a 2.0GHz Intel Core 2 Duo or faster processor 1GB of RAM and an Intel GMA X3000, ATI Radeon X1300 or NVIDIA GeForce 6150 or better are required.To play standard-definition video from the iTunes Store, an Intel Pentium D or faster processor, 512MB of RAM and a DirectX 9.0–compatible video card are required.PC with a 1GHz Intel or AMD processor with support for SSE2 and 512MB of RAM.