On a computer that is running Windows 8 or Windows RT, you may experience the following issues.
Note You cannot upgrade to Windows 8.1 Enterprise or volume-licensed installations of Windows 8.1 from the Windows Store. For more information about upgrading to Windows 8.1, click the following article number to view the article in the Microsoft Knowledge Base:
2871389 Update is available that prepares Windows 8 and Windows RT-based computers for the update to Windows 8.1 and Windows 8.1 RT
In the Windows Store, you try to upgrade from Windows 8 to Windows 8.1 or from Windows RT to Windows RT 8.1. However, you cannot find a way to perform the upgrade.
Note A spotlight advertisement for upgrading should be displayed on the home page of the Windows Store.
After you click the Windows 8.1 or Windows RT 8.1 upgrade notification, the Windows Store is opened automatically. However, a few seconds later, the home page of the Windows Store is displayed without the update spotlight.
Note If you wait for 15 minutes or longer and then browse away from and back to the home page of Windows Store, you may see the spotlight advertisement for the upgrade.
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 apply this update, you must be running Windows 8 or Windows RT.
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.
Update replacement information
This update does not replace a previously released update.
The global version of this hotfix 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 RT and Windows 8 file information notes
Important Windows 8 hotfixes and Windows Server 2012 hotfixes are included in the same packages. However, only "Windows 8" is listed on the Hotfix Request page. To request the hotfix package that applies to one or both operating systems, select the hotfix that is listed under "Windows 8" on the page. Always refer to the "Applies To" section in articles to determine the actual operating system that each hotfix applies to.
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:
6.2.920 0.16 xxx
Windows RT and Windows 8
The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed separately in the "Additional file information for Windows RT and Windows 8" section. MUM and MANIFEST files, and the associated security catalog (.cat) files, are extremely 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.