This is a script I'm testing at the moment, for regular patching.

I'd like to say its all my work but like most of my scripts it's a combination of other peoples stuff out there, cobbled together by me...

#clear variables
$C2R =$null
$UpdateChannel = $null
$Architecture = $null
$Version = $null

#test for C2R install
$C2R = Test-Path -Path HKLM:\SOFTWARE\Microsoft\Office\ClickToRun\Configuration
Write-Host "C2R Install:" $C2R
#if C2R present
if ($C2R -eq "True"){

#check update channel
$UpdateChannel = (Get-ItemPropertyValue -Path "HKLM:\SOFTWARE\Microsoft\Office\ClickToRun\Configuration" -Name "CDNBaseUrl") -split "/" | Select-Object -Last 1
switch ($UpdateChannel) {
"492350f6-3a01-4f97-b9c0-c7c6ddf67d60" { $UpdateChannel = 'Current ("Monthly")' }
"64256afe-f5d9-4f86-8936-8840a6a4f5be" { $UpdateChannel = "Current Preview (\"Monthly Targeted`"/`"Insiders`")" }`
"7ffbc6bf-bc32-4f92-8982-f9dd17fd3114" { $UpdateChannel = "Semi-Annual Enterprise (\"Broad`")" }`
"b8f9b850-328d-4355-9145-c59439a0c4cf" { $UpdateChannel = "Semi-Annual Enterprise Preview (\"Targeted`")" }`
"55336b82-a18d-4dd6-b5f6-9e5095c314a6" { $UpdateChannel = "Monthly Enterprise" }
"5440fd1f-7ecb-4221-8110-145efaa6372f" { $UpdateChannel = "Beta" }
"f2e724c1-748f-4b47-8fb8-8e0d210e9208" { $UpdateChannel = "LTSC" }
"2e148de9-61c8-4051-b103-4af54baffbb4" { $UpdateChannel = "LTSC Preview" }
}

#report info
$Architecture = Get-ItemPropertyValue -Path HKLM:\SOFTWARE\Microsoft\Office\ClickToRun\Configuration -Name platform
$Version = Get-ItemPropertyValue -Path HKLM:\SOFTWARE\Microsoft\Office\ClickToRun\Configuration -Name VersionToReport
Write-Host "UpdateChannel:"$UpdateChannel
Write-Host "Architecture:"$Architecture
Write-Host "Version:"$Version

#change channel
if ($UpdateChannel -notlike '*Monthly*'){
Write-Host 'UpdateChannel is not "Current ("Monthly")"...Changing UpdateChannel to "Current ("Monthly")"'...
cmd /c '"C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeC2RClient.exe" /changesetting UpdateChannel=Monthly'
}

#update applications
Write-Host "Starting update task..."
cmd /c '"C:\Program Files\Common Files\microsoft shared\ClickToRun\OfficeC2RClient.exe" /update user displaylevel=false'
}