To check if the update is already installed, go to the Start screen. If you see a Search button near your account name at the top of the Start screen, you already have the update. Make sure your PC is plugged in and connected to the Internet using a non-metered connection. 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 the lower-right corner of the screen, move the mouse pointer up, click Settings , and then click Change PC settings.
Tap or click Update and recovery , and then tap or click Windows Update. In the list of updates, select the update containing KB , and then tap or click Install. If you're prompted for an administrator password or confirmation, enter the password or provide confirmation. Follow the previous steps to check for updates, install all important updates, particularly KB , restart your PC, and then check for KB again.
Depending on your version of Windows, you'll need the following amount of available drive space on your PC to download and install the Windows 8. Note: These amounts are estimates, so you might need slightly more or less available drive space for the update. If you see any of the following Windows Update errors when you try to install the Windows 8. If you need more help, contact Microsoft support.
This error might mean that a file needed by Windows Update is damaged or missing. Here are a few steps you can try to fix the problem:. Run the Windows 8. If you're running Windows RT 8. For info about how to fix this problem, contact Microsoft support. This error might mean that your PC couldn't connect to the Windows Update servers. If you're using a VPN connection to connect to a work network, disconnect from the network and turn off the VPN software if applicable and then try to install the update again.
The error could also mean there isn't enough free space in the System Reserved partition. You might be able to fix this problem by using third-party software to increase the size of the System Reserved partition. If the result shows that you are not using Windows 8. If there is not enough space, you need to free up disk space on your computer. Likewise, during the update process, you need to enable the internet connection and make sure the connection works normally during the whole process.
You can also use another method to manually get Windows 8. Go to the Windows 8. According to your situation, select bit Download or bit Download to start the downloading process. When the installation process ends, you need to restart your computer and check whether the installation is effective. These are the things you should try when Windows 8. Select Close after the download process is done. Then, you can find a folder that contains the update package in the location that you specified.
If the Windows update or service pack installed successfully, you are finished. If the problem is not fixed, or if System Update Readiness Tool cannot find the cause, contact us for more help.
When the System Update Readiness tool detects incorrect manifests, Cabinets, or registry data, it may replace the incorrect data with a corrected version. The System Update Readiness tool creates a log file that captures any issues that the tool found or fixed. The log file is located here:. To manually fix corruption errors that the System Update Readiness tool detects but can't fix, follow these steps:.
Identify the packages that the tool can't fix. For example, you may find the following in the log file:. Copy the package. By default, this directory doesn't exist and you need to create the directory. Skip to main content. This browser is no longer supported. Download Microsoft Edge More info.
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