Microsoft will launch an invitation-only SharePoint Server 2010 beta test in July with a select group of customers and then follow the program up with a public testing phase ahead of the Office 2010 release in the first half of next year. Earlier this week at its annual TechEd conference, Microsoft said the Office 2010 beta slated for July will not include the SharePoint Server 2010 beta. Source Link :- http://letmeget.com/blog/microsoft-sharepoint-2010-beta-download