If your computer is currently running Windows 8 (or Windows RT) and you want to update to Windows 8.1 (or Windows RT 8.1), in most cases you will see a free update in the prominent location of the Windows Store home page. If the app store is open but you don't see the update, it may be caused by one of the following reasons:
The latest update from Windows Update may be needed
Although the Windows 8.1 update has been downloaded and installed from the app store, your The computer also requires a Windows update, which is "KB 2871389", and the app store will provide you with Win8.1.
If you use Windows Update to get automatic updates, KB 2871389 will be downloaded and installed automatically.
If Turn off automatic updates, or if you use a new computer that has not yet downloaded automatic updates, or if you don't want to wait for Windows updates to do this automatically, you can go to Windows Update and manually install KB 2871389.
Steps to install the required Windows updates < Br>Open Windows Update by following the steps: swipe in from the right edge of the screen (if you use the mouse, point to the lower right corner of the screen, then move the mouse pointer up), click or click "Set", click or single Click "Change PC Settings", then click or click "Windows Update".
Click or click "Check Now More & Quot ;, and then wait for the computer to find the latest Windows updates. If you have not enabled automatic installation of critical updates, you may need to click or click " to enable the recommended settings before you can check for updates.
If you find an update, click or click the message that the number of updates will be automatically installed. In the list of updates, find an update with a name that contains "(KB2871389)" (the exact name may vary, depending on your system).
Click or click "Install" to install all recommended updates from the list.
When the update is complete, you will need to restart your computer. If any desktop apps are open, save your work and close the app before restarting. Restart by swiping from the right edge of the screen to the middle (if you use the mouse, point to the bottom right corner of the screen, then move the mouse pointer up), click or click "Set", click or click " Power ", then click or click "Restart".
After restarting the computer, on the "Start" screen, click or click "App Store", then you should see Windows 8.1 update. (Win8e.com Win8e.com)
The Windows 8 version you are running may not support updates from the app store.
Some Windows 8 versions do not support upgrading to Windows 8.1 through the app store. The following versions are included:
Windows 8 Enterprise. For information about upgrading to Windows 8.1, please contact your system administrator.
Windows 8 Pro (if installed by an organization or program that uses volume licensing). Please contact your system administrator or the administrator of the program used to install Windows 8. If you are an administrator, you can find more information and links to the Windows 8.1 ISO in the Windows 8.1 Enterprise assessment.
Windows 8 Pro (if installed with MSDN or TechNet ISO and activated with multiple activation keys). You can download Windows 8.1 ISO.
Windows 8.1 Preview or Windows RT 8.1 Preview from MSDN or TechNet. You can still update from the app store.
Windows App Store may not display the latest content
Steps to refresh the content in the app store
Swipe in from the right edge of the screen and click "Search".
(If you use the mouse, Point to the top right corner of the screen, then move the pointer down, then click "search".)
Enter the run in the search box, then click or click "Run".
Run in " Enter wsreset.exe in the " command, then click or click "OK".
to restart the computer.
On the "Start" screen, tap or click "App Store" and check if Windows 8.1 is now appearing on the app store home screen.