Run Windows Update from Command Line or powershell

To run Windows Update from the command line, you can use the following commands:

1. Open Command Prompt with administrative privileges.
2. Run `wuauclt /detectnow` to check for new updates and download them.
3. Run `wuauclt /updatenow` to install updates.
4. (Optional) Run `wuauclt /reportnow` to report back to WSUS server (if available). Alternatively, you can use PowerShell:
5. Type “powershell” in the search box, right-click the first one, then choose “Run as administrator” to launch PowerShell.
6. Type `Install-Module PSWindowsUpdate` to install the Windows update module.
7. Type `Get-WindowsUpdate` to check for all available updates.
8. Enter `Install-WindowsUpdate` to begin installing the Windows updates