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Update win 7 lên win 8.1

10/11/2021

Windows 8.1 Update & Windows RT 8.1 Update (also known as KB 2919355) include improvements that make your favorite apps and settings easier lớn find & use, provide more familiar mouse & keyboard options, & update security and performance. Here’s what you need khổng lồ know about installing this important update.

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Check to lớn see if it’s already installed

If you’re running Windows 8.1 or Windows RT 8.1 & you get updates automatically, you don’t need to do anything; Windows Update will download và install the update for you within the next few weeks. It won’t interrupt what you’re doing except to lớn tell you that you need lớn restart your PC to finish the installation.

To kiểm tra if the update is already installed, go to lớn the Start screen. If you see a Search button near your tài khoản name at the top of the Start screen, you already have sầu the update.


Note: If you’re connected khổng lồ the Internet over a metered connection, you might not get the update until you switch lớn a non-metered connection và then check manually for updates.


Install the update manually

If you’re running Windows 8.1 or Windows RT 8.1 & you don’t have sầu the update yet, you can manually check for & install the update by following these steps:

Make sure your PC is plugged in & connected khổng lồ the Internet using a non-metered connection. Don’t disconnect, unplug, or turn off your PC while the update is being installed.

Swipe in from the right edge of the screen, tap Settings, and then tap Change PC settings. (If you"re using a mouse, point to lớn the lower-right corner of the screen, move the mouse pointer up, cliông xã Settings, & then cliông xã Change PC settings.)

Tap or cliông xã Update and recovery, & then tap or cliông chồng Windows Update.

Tap or click Chechồng now.

If updates are found, tap or cliông chồng View details.

In the danh mục of updates, select the update containing KB 2919355, & then tap or click Install. If you"re prompted for an administrator password or confirmation, enter the password or provide confirmation.

After the installation is complete, restart your PC and sign in.


Note: If you don’t see KB 2919355 in the danh mục of available updates, you might be missing one or more required updates. Follow the previous steps to lớn kiểm tra for updates, install all important updates, particularly KB 2919442, restart your PC, và then kiểm tra for KB 2919355 again.


Free up drive sầu space

Depending on your version of Windows, you"ll need the following amount of available drive sầu space on your PC lớn download và install the Windows 8.1 Update or Windows RT 8.1 Update (KB 2919355) from Windows Update:

Windows 8.1 (64-bit version): 2 GB

Windows 8.1 (32-bit version): 0.8 GB

Windows RT 8.1: 1.1 GB


Note: These amounts are estimates, so you might need slightly more or less available drive sầu space for the update.


Troubleshoot problems installing the update

If you see any of the following Windows Update errors when you try lớn install the Windows 8.1 Update or Windows RT 8.1 Update (KB 2919355), you might be able to fix the problems with these solutions. If you need more help, contact beatcongnghe.org tư vấn.

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Code 0x800F0922

This error might mean that a tệp tin needed by Windows Update is damaged or missing. Here are a few steps you can try to lớn fix the problem:

Install the Windows 8.1 Update or Windows RT 8.1 Update.

If you"re running Windows 8.1, go khổng lồ the beatcongnghe.org Download Center:

If you"re running Windows RT 8.1, try to lớn install Windows RT 8.1 Update (KB 2919355) again from Windows Update.

Code 0x800F0923

This error might mean that a driver or other software on your PC isn’t compatible with the update. For info about how khổng lồ fix this problem, tương tác beatcongnghe.org beatcongnghe.org.

Code 0x800F0922

This error might mean that your PC couldn"t connect to the Windows Update servers. If you"re using a VPN connection khổng lồ connect khổng lồ a work network, disconnect from the network & turn off the VPN software (if applicable) và then try to lớn install the update again. The error could also mean there isn"t enough không tính phí space in the System Reserved partition. You might be able khổng lồ fix this problem by using third-tiệc ngọt software khổng lồ increase the form size of the System Reserved partition.

Error: We couldn"t complete the updates. Undoing changes. Don"t turn off your computer.Error: Failure configuring Windows Updates. Reverting changes.

These are generic errors that might appear any time a Windows update fails. You"ll need khổng lồ determine the specific error code to lớn investigate how to lớn best resolve sầu this problemYou can find the error code for the failed update by viewing your update history. Look for KB 2919355 in the danh mục, note the error code, và then tương tác beatcongnghe.org tư vấn.To view your update history:

Open Windows Update by swiping in from the right edge of the screen (or, if you"re using a mouse, pointing to the lower-right corner of the screen and moving the mouse pointer up), tapping or clicking Settings, tapping or clicking Change PC settings, và then tapping or clicking Update and recovery.

Tap or click View your update history.

Error: The update is not applicable to your computer.

This error might mean that your PC doesn"t have sầu the required update KB 2919442 installed. Cheông xã lớn make sure that all important updates, including KB 2919442, are installed on your PC. If all updates are installed, you might need khổng lồ refresh your PC.To refresh you PC:

Swipe in from the right edge of the screen, tap Settings, and then tap Change PC settings. (If you"re using a mouse, point khổng lồ the lower-right corner of the screen, move the mouse pointer up, cliông chồng Settings, & then click Change PC settings.)

Tap or click Update và recovery, and then tap or cliông xã Recovery.

Under Refresh your PC without affecting your files, tap or clichồng Get started.

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