If you have previously installed a pre-release version of Windows 7 and Windows Server 2008 R2 SP1 on your machine, you must uninstall that version before installing SP1. In order to download and install Windows 7 and Windows Server 2008 R2 SP1 you must currently have a Release to Manufacturing (RTM) version of Windows 7 or Windows Server 2008 R2 already installed. If you are encountering a problem when installing the service pack from Windows update, see Troubleshoot problems installing a service pack for Windows 7 or Windows Server 2008 R2. If Windows Update is not offering you the option to install the service pack, see KB 2498452. You can use our step-by-step instructions or, if you prefer, let us do it for you.

The best way to ensure you get Windows 7 and Windows Server 2008 R2 SP1 is by turning on the Automatic Updates feature.

Provide an easier Service Pack deployment model for better IT efficiencyĭo not download this if you are updating just one computerĪ smaller, more appropriate download is now available on Windows Update.

Provide a comprehensive set of virtualization innovations.

Meet your users' demands for greater business mobility.

Easily deploy cumulative updates at a single time.

Get ongoing updates to the Windows 7 platform.

Windows 7 and Windows Server 2008 R2 SP1 will help you:

For 64-bit machines download the Windows 7 64-bit & Windows Server 2008 R2 Service Pack 1 instead.

This download installs SP1 to a 32-bit machine only running Windows 7.

This enables organizations to deploy a single set of updates. It also 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.

Windows 7 SP1 helps keep your PCs and servers on the latest support level.

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