Why can't I find the Win8.1/RT8.1 update in the app store?

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 free updates in the prominent location on 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:

may require the latest updates from Windows updates

Although Windows has been downloaded and installed from the app store 8.1 update, but your computer also needs Windows update, ie "KB 2871389", and the app store will provide you with Win8.1.

If you use Windows Update to get automatic updates, it will be automatically downloaded and Install KB 2871389.

If you have turned off automatic updates, or if you are using a new computer that has not yet downloaded automatic updates, or if you do not 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

Open Windows Update by following the steps below: Swipe in from the right edge of the screen (if using the mouse, point to the bottom right corner of the screen, then use the mouse Pointer up), click or click "Set", click or click "Change PC Settings", then click or click "Windows New ".

Tap or click " Check for updates ", and then wait for the computer to find the latest Windows updates immediately. 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 Can see the Windows 8.1 update. (Win8e.com) (Win8e.com)

The version of Windows 8 you are running may not support updates from the app store

Some versions of Windows 8 do not support upgrading to Windows via app store 8.1. The following version:

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 Store may not display the latest content

To refresh content in the Store

Swipe in from the right edge of the screen and click "Search".

(If using 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".

Enter wsreset.exe in the "Run" command, then click or click "OK".

to restart your computer.

On the "Start" screen, tap or click "App Store" and check if Windows 8.1 now appears on the app store home screen.