Feature updates offer new functionality and help keep your systems secure. You’ll get these updates automatically after you download the Update Assistant.

Update process is stuck due to an incomplete update or connection issue. Warning: Microsoft only recommends trying the procedures in this section if you're comfortable working in the command line.

Using this tool will reinstall the current version of Windows on your device. This tool preserves all your apps, documents, and settings. Make sure to keep your PC connected to a power source and the internet during reinstallation. The reinstall will take you to the Windows Update page in Settings.

After October 14, 2025, Microsoft will no longer provide free software updates from Windows Update, technical assistance, or security fixes for Windows 10. Your PC will still work, but we recommend moving to Windows 11. Learn more. Note: Use these steps for Windows programs.

Download and install any available updates in Windows Update, including software updates, hardware updates, and some third-party drivers. Use the Windows Update Troubleshooter to fix Windows 11 Update errors. Check third-party drivers and download any updates.

Learn how to run Windows Update Troubleshooter to resolve errors downloading or installing Windows updates.

When you start Wusa.exe in interactive mode, a welcome screen displays high-level information about the update. If you continue to install the update, Wusa.exe calls the appropriate function in the Windows Update Agent API to start the Windows Update wizard.

Use the System File Checker tool to repair missing or corrupted system files. When critical Windows system files are missing or corrupted, some Windows features may stop working correctly or Windows may stop responding altogether.

Extract this .zip file to get the Defender update package (defender-dism- [x86|x64|arm].cab) and an updating tool (DefenderUpdateWinimage.ps1) that assists the update operation for OS installation images. The following prerequisites apply to running this updating tool (DefenderUpdateWinImage.ps1):

Drivers updated through Device Manager can be done either automatically or manually. If needed, drivers can also be reinstalled through Device Manager. To update or reinstall a driver through Device Manager in Windows, select the desired task from the following list: