The files that apply to a specific product, milestone (RTM, SPn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table: Additionally, the dates and the times may change when you perform certain operations on the files. The dates and the times for these files on your local computer are displayed in your local time together with your current daylight saving time (DST) bias. The dates and the times for these files are listed in Coordinated Universal Time (UTC). The global version of this update installs files that have the attributes that are listed in the following tables. This update does not replace a previously released update. You may have to restart the computer after you apply this update. To apply this update, you do not have to make any changes to the registry. To install this update, you must install Service Pack 1 for Windows 7. The file is stored on security-enhanced servers that help prevent any unauthorized changes to the file. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The following files are available for download from the Microsoft Download Center:Īll supported x86-based versions of Windows 7Īll supported 圆4-based versions of Windows 7įor more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base:ġ19591 How to obtain Microsoft support files from online services Microsoft scanned this file for viruses. This update is available from Windows Update. Before you apply this update, notice that this update has prerequisites. You can obtain this update by using one of the following methods. This update will help Microsoft and its partners deliver better system performance for customers who are seeking to install the latest Windows operating system. Telemetry is sent back to Microsoft for those computers that participate in the Windows Customer Experience Improvement Program (CEIP). This update performs diagnostics in Windows 7 Service Pack 1 (SP1) in order to determine whether performance issues may be encountered when the latest Windows operating system is installed. Windows 7 Service Pack 1 Windows 7 Ultimate Windows 7 Enterprise Windows 7 Professional Windows 7 Home Basic Windows 7 Home Premium Windows 7 Starter More.

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