Windows Update Powershell Commands

The PSWindowsUpdate set of commands is required.

Install the PSWindowsUpdate module:

Install-Module -Name PSWindowsUpdate –Force

Apply all available updates:

Set-ExecutionPolicy -ExecutionPolicy Bypass -Force
Import-Module PSWindowsUpdate
Get-WUInstall -AcceptAll

List all available updates

Set-ExecutionPolicy -ExecutionPolicy Bypass -Force
Import-Module PSWindowsUpdate
Get-WUList

Show Updates sources and which is default (Desired state is usually "true" for Windows Server Update Service)

Set-ExecutionPolicy -ExecutionPolicy Bypass -Force
Import-Module PSWindowsUpdate
Get-WUServiceManager