The document provides instructions for installing and configuring Microsoft Commerce Server 2007, 2009, and the 2009 template for SharePoint 2010. It includes steps for installing Commerce Server 2007 and business applications, requirements for Commerce Server 2009 on Server 2008 R2, installing and upgrading Commerce Server 2009, installing the 2009 template for SharePoint 2010, and configuring a Commerce Server contemporary site for SharePoint 2010.