Install the XboxFriends for the Desktop application.
NOTICE: You must have Microsoft .NET 2.0 or greater installed to use XboxFriends for the Desktop. If you don't already have it (chances are, it's probably already installed), you can download it from either Windows Update/Microsoft Update or get the redistributable directly from here. If you are running Windows Vista (any edition), you are good to go.
[download MSI installer package]
Please note, this is a beta release version. If you experience any issues (or have suggestions for improvements), please discuss them in the technical support forum. Also please note that the above MSI installer package may not contain the latest release version; however, the first time you launch XboxFriends for the Desktop, you will be prompted (if a new version is available) to update to the latest version.