This hotfix rollup contains 90 hotfixes that were released after the release of SP1 for Windows 7 and Windows Server 2008 R2. These hotfixes improve the overall performance and system reliability of Windows 7 SP1-based and Windows Server 2008 R2 SP1-based computers.

This update makes quality improvements to the servicing stack, which is the component that installs Windows updates. Servicing stack updates (SSU) makes sure that you have a robust and reliable servicing stack so that your devices can receive and install Microsoft updates.

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To request the hotfix package that applies to one or both operating systems, select the hotfix that is listed under "Windows 7/Windows Server 2008 R2" on the page.

This update will help Microsoft and its partners deliver better system performance for customers who are seeking to install the latest Windows operating system.

To request the hotfix package that applies to one or both operating systems, select the hotfix that is listed under "Windows 7/Windows Server 2008 R2" on the page.

Describes an update that enables you to upgrade your computer from Windows 7 to a later version of Windows.