Windows 7 Home Edition Upgrade

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This article describes an update that enables you to upgrade your computer from Windows 7 Service Pack 1 (SP1) to a later version of Windows.

This update has prerequisites. Important Do not install a language pack after you install this update. If you do, the language-specific changes in the update will not be applied, and you will have to reinstall the update.

For more information, see Add language packs to Windows.

This update is available from Windows Update. The following files are available for download from the Microsoft Download Center.

Operating system. All supported x86-based versions of Windows 7.

All supported x64-based versions of Windows 7.

All supported x64-based versions of Windows Server 2008 R2. All supported IA-64-based versions of Windows Server 2008 R2. Note This update for Windows Server 2008 R2 does not support you to upgrade to a later version of Windows For more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base:.

119591 How to obtain Microsoft support files from online services Microsoft scanned this file for viruses.

Microsoft used the most current virus-detection software that was available on the date that the file was posted.

The file is stored on security-enhanced servers that help prevent any unauthorized changes to the file.

To install this update, you must install Service Pack 1 for Windows 7 or Windows Server 2008 R2. To apply this update, you do not have to make any changes to the registry.

  • You may have to restart the computer after you apply this update. This update does not replace a previously released update.
  • The global version of this update installs files that have the attributes that are listed in the following tables.

The dates and the times for these files are listed in Coordinated Universal Time (UTC). 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.

Additionally, the dates and the times may change when you perform certain operations on the files.

Windows 7 and Windows Server 2008 R2 file information and notes. The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed separately in the "Additional file information" section.

MUM, MANIFEST, and the associated security catalog (.cat) files, are very important to maintain the state of the updated components.

The security catalog files, for which the attributes are not listed, are signed with a Microsoft digital signature. For all supported x86-based versions of Windows 7. For all supported x64-based versions of Windows 7 or Windows Server 2008 R2. For all supported IA-64-based versions of Windows Server 2008 R2. Additional file information. Additional file information for Windows 7 and for Windows Server 2008 R2.

Additional files for all supported x86-based versions of Windows 7. Additional files for all supported x64-based versions of Windows 7 and of Windows Server 2008 R2.