Windows 7 and Windows Server 2008 R2 SP1 Release Candidate helps keep your PCs and servers on the latest support level, provides ongoing improvements to the Windows Operating System, by including previous updates delivered over Windows Update as well as continuing incremental updates to the Windows 7 and Windows Server 2008 R2 platforms based on customer and partner feedback, and is easy for organizations to deploy a single set of updates.

Windows 7 and Windows Server 2008 R2 SP1 Release Candidate will help you:
Keep your PCs supported and up-to-date

• Get ongoing updates to the Windows 7 platform
• Easily deploy cumulative updates at a single time
• Meet your users’ demands for greater business mobility
• Provide a comprehensive set of virtualization innovations
• Provide an easier Service Pack deployment model for better IT efficiency

In order to download and install the Windows 7 and Windows Server 2008 R2 SP1 Release Candidate you must currently have a Release to Manufacturing (RTM) version of Windows 7 or Windows Server 2008 R2 already installed.
If you have previously installed the Windows 7 and Windows Server 2008 R2 SP1 Beta on your machine, you must uninstall the beta before installing the Release Candidate.
Windows 7 and Windows Server 2008 R2 SP1 Release Candidate is available for installation in the same languages made available at original launch of Windows 7 and Windows Server 2008 R2.

Download Windows 7 SP1 RC via Microsoft