Supported Operating Systems: Windows 7;Windows
Server 2008 R2;Windows Vista Service Pack 2
Windows Live Messenger is part of Windows Live
Essentials, which requires the following:
Operating system: 32- and 64-bit editions of
Windows Vista Service Pack 2 with the Platform
Update for Windows Vista; or Windows 7; or Windows
Server 2008 with Service Pack 2 and the Platform
Update for Windows Server 2008; or Windows Server
2008 R2
Resolution: Minimum: 1024 × 576
Internet connection: Internet functionality
requires dial-up or broadband Internet access
(provided separately). Local or long-distance
charges may apply.
Graphics or video card: Windows Live Movie Maker
requires a video card that supports DirectX 9 or
higher and Shader Model 2 or higher.
For Photo Gallery and Movie Maker: Some required
components of DirectX 9 may be installed for you if
they're not already on your computer.
For Windows Live Mesh: To run Windows Live Mesh
on a Mac, you must have OS X 10.5 or newer
installed. If you already installed an earlier
version of Window Live Sync beta or Live Mesh beta,
please see the detailed release notes for additional
requirements.