Microsoft has released the free and updated version of the Windows SharePoint Services for the SharePoint 2010 to run on the production (Windows Server 2008 Service Pack 2, Windows Server 2008 R2) and development ( Windows 7, and Windows Vista SP2) environments.
SharePoint 2010 Foundation
SharePoint 2010 version of the WSS is named as the SharePoint Foundation 2010. Download the copy from here…
http://www.microsoft.com/downloads/details.aspx?FamilyID=49c79a8a-4612-4e7d-a0b4-3bb429b46595&displaylang=en
Windows SharePoint Services 3.0
Free version of the MOSS 2007, WSS 3.0 with the SP2 can be downloaded from here….
32-bit version (Windows Server 2003 SP2 Enterprise x86 Edition; Windows Server 2003 SP2 Standard x86 Edition; Windows Server 2008)
http://www.microsoft.com/downloads/details.aspx?familyid=EF93E453-75F1-45DF-8C6F-4565E8549C2A&displaylang=en
64-bit version (Windows Server 2003 SP2 Enterprise x64 Edition; Windows Server 2003 SP2 Standard x64 Edition; Windows Server 2008)
http://www.microsoft.com/downloads/details.aspx?familyid=9FB41E51-CB03-4B47-B89A-396786492CBA&displaylang=en