1080p HD movies and TV shows can be viewed on a Mac or PC with iTunes, iPad (3rd generation), or Apple TV (3rd generation). Not all purchased movies are available in 1080p HD. To play 1080p HD video on a Mac, you need a 2.4GHz Intel Core 2 Duo or faster processor and at least 2GB of RAM. To play 1080p HD video on a PC, you need a 2.4GHz Intel Core 2 Duo or faster processor, 2GB of RAM, and an Intel GMA X4500HD, ATI Radeon HD, or NVIDIA GeForce 8300 GS or better graphics processor.