Windows Live Essentials 2011 requires the following:
- Operating system: 32- or 64-bit version of Windows 7, or Windows Vista with Service Pack 2 and the Platform Update for Windows Vista, or Windows Server 2008 R2, or Windows Server 2008 with Service Pack 2 and the Platform Update for Windows Server 2008.
- Processor: 1.6 GHz or higher
- Memory: 1 GB of RAM or higher
- Resolution: 1024 × 576 minimum
- Internet connection: Online services require dial-up or high-speed Internet access (provided separately—local or long-distance charges may apply). High-speed Internet access is recommended for some features.
- Graphics card: Windows Live Movie Maker requires a graphics card that supports DirectX 9 or higher and Shader Model 2 or higher.
Some Windows Live programs have additional requirements.
- Windows Live Photo Gallery and Movie Maker require some components of DirectX 9, which might be installed for you if they're not found on your computer.
- Windows Live Mesh requires OS X 10.5 or newer to run on a Mac.
- Windows Live Messenger video chat requires a webcam, a microphone, speakers or a headset, and high-speed Internet access. HD video chat requires a compatible HD webcam and a 2.0 GHz or higher processor. HD webcams may also have additional system requirements.
.........it is free......
....on the right hand side of the page you will see a blue box which says "Download Messenger"....click that to initiate the download....