The Windows 10 Update Assistant downloads and installs feature updates on your device. Feature updates like Windows 10, version 1909 (a.k.a. the Windows 10 November 2019 Update) offer new functionality and help keep your systems secure.

This article describes the Windows Update Standalone Installer (Wusa.exe) in the following Windows operating systems: The Wusa.exe file is in the %windir%\System32 folder. The Windows Update Standalone Installer uses the Windows Update Agent API to install update packages.

Windows 11 automatically downloads and installs updates to make sure your device is secure and up to date. This means you receive the latest fixes and security updates, helping your device run efficiently and stay protected.

Installation of the Windows Installer 4.5 package requires a reboot to successfully update the required binaries. For more information, view How to obtain Microsoft support files from online services .

When the Windows 10 2022 Update aka Windows 10, version 22H2 is ready for your device, it will be available to download from the Windows Update page in Settings. Choose a time that works best for you to download the update. You'll then need to restart your device and complete the installation.

Describes how to troubleshoot problems that occur when you install, uninstall, or upgrade a program on a Windows-based computer by using Windows Installer.

Check for Windows updates. Learn how to update drivers in Windows using Device Manager to update or reinstall a driver.

To obtain the current version of Windows Security app, please run powershell command below: Get-AppPackage Microsoft.SecHealthUI. Manually download the update. Windows Security Application Version: 1000.27703.0.1006. Windows Security Platform Version: 10.0.27703.1006.

If you get an error code while downloading and installing Windows updates, the Update Troubleshooter can help resolve the problem. Select Start > Settings > Update & Security > Troubleshoot > Additional troubleshooters. Next, under Get up and running, select Windows Update > Run the troubleshooter.

Running Windows Update Standalone Installer (wusa.exe) with the /uninstall switch on the combined package will not work because the combined package contains the SSU. You cannot remove the SSU from the system after installation.