Save-Module -Name PSWindowsUpdate -Path C:\Program Files\WindowsPowerShell\Modules
Install-Module -Name PSWindowsUpdate -Force
Import-Module PSWindowsUpdate
Add-WUServiceManager -Force -ServiceID 7971f918-a847-4430-9279-4a52d1efe18d
Get-WUInstall -MicrosoftUpdate -Install -AcceptAll -AutoReboot -Category @('Critical Updates', 'Security Updates')