Windows Update is a built-in Microsoft service that keeps your computer current — delivering security patches, feature improvements, bug fixes, device drivers, and other system updates.
Before starting an update, connect your device to a reliable power source, since Windows may require a restart to complete the process afterward.
The steps differ slightly between Windows 10 and Windows 11.
Here’s how to check for and install updates:
Open Start → Settings, choose Windows Update from the left-side menu, click “Check for updates,” and select “Download & install” if updates are available. Restart your computer if Windows asks you to.
Open Start → Settings → Update & Security → Windows Update, and select “Check for updates.” Install any available updates and restart the computer if required.
Connect your computer to power (especially important for laptops), save your work in case of an automatic restart, check your internet connection for a stable download, free up storage space for larger updates, close unnecessary applications, and back up important files as an extra precaution. If Windows reports insufficient storage during an update, see our guide to Windows Update Error Code 0x80070070.
Windows scans Microsoft’s update service for applicable updates based on your version and installed components, downloads the required files (larger feature updates take longer than smaller patches), installs them (some while you continue working, others requiring a restart first), and finally restarts to replace system files and finish installing components that can’t update while running. Save your work before restarting to avoid losing unsaved changes.
After the process finishes, return to the Windows Update settings page to confirm your system shows as up to date.
An update can fail to download or install because of corrupted system files, insufficient storage, network problems, or Windows Update service issues. Start by restarting your computer and checking for updates again, then run the built-in Windows Update troubleshooter if the problem continues. Note the specific error code displayed on screen, since different errors have different causes and troubleshooting paths — see our guides to Windows Update Error Code 0x8024A206 for download-related problems, or Windows Update Error Code 0x8024402C for connection and service-related issues. Our experts are here to assist you — Chat with a specialist — for more technical support.
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Some updates can improve system stability and resolve bugs affecting performance, though updates are primarily intended to provide security fixes, reliability improvements, and new features.
Some updates require a restart, while others don’t — Windows will normally notify you when a restart is necessary.
Installation time depends on the update size, available storage, computer hardware, and internet connection — major feature updates generally take longer than smaller patches.
Yes. Open your Windows Update settings and select “Check for updates” — Windows will then look for anything available.
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