You can download Amazon Instant Video titles to your Windows PC using the Unbox Video Player.
Windows (32-bit version) including Microsoft Windows XP Home Edition Service Pack 2 (SP2), Windows XP Professional SP2, Windows XP Tablet PC Edition SP2, Windows XP Media Center Edition 2005 Update Rollup 2, Windows Vista (Home Basic, Home Premium, Business, Enterprise, or Ultimate), or 32- and 64-bit versions of Windows 7, Windows 8, and Windows 8.1.
PC with a 1.5-Gigahertz (GHz) processor or faster, at least 512 MB of memory, and a DirectX 9.0 or later compliant video (64 MB memory) and sound card. To watch HD videos, you'll need a 2.0 GHz (dual-core) processor, 1 GB memory, and a DirectX 9-compliant video and sound card.
Broadband Internet connection capable of at least 450 Kbps sustained transfer speeds.
Same as for the minimum requirements.
PC with a 2.4-Gigahertz (GHz) dual-core processor or faster, at least 1 GB of memory, and a DirectX 9.0 compliant Video (128 MB memory). For HD videos, the faster your computer the better.
Broadband Internet connection capable of 1.5+ Mbps of sustained transfer speeds.