PC with a 1GHz Intel or AMD processor and 512MB of RAM
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 is 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 is required.
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; Nvidia GeForce 8300 GS or better is required.
Screen resolution of 1024x768 or greater; 1280x800 or greater is required to play an iTunes LP or iTunes Extras
16-bit sound card and speakers
Broadband Internet connection to use the iTunes Store
iTunes-compatible CD or DVD recorder to create audio CDs, MP3 CDs, or back-up CDs or DVDs
Software
Windows XP Service Pack 2 or later, 32-bit editions of Windows Vista, Windows 7, or Windows 8
64-bit editions of Windows Vista, Windows 7, or Windows 8 require the iTunes 64-bit installer
400MB of available disk space
Screen reader support requires Window-Eyes 7.2 or later; for information about accessibility in itunes, visit www.apple.com/accessibility