Install:

Create an adminfile by starting setup.exe from the source with /admin

 The created adminfile.msp can either be placed in the updates folder or be called by:

Setup.exe /adminfile “path-to-file.msp”

You can also put the extracted Service Pack into the updates folder to install them together with Office.

Uninstall:

You can call the Setup.exe from (works for Office, Visio, Project also):

"%programfiles%\Common Files\Microsoft Shared\OFFICE15\Office Setup Controller"

Create an “uninstall.xml” with the following content:

<Configuration Product="ProPlus">
<Display Level="none" CompletionNotice="no" SuppressModal="yes" AcceptEula="yes" />
<Setting Id="SETUP_REBOOT" Value="never" />
</Configuration>

Commandline:

Setup.exe /uninstall ProPlus /config “path-to-uninstall.xml”

To Activate:

"c:\windows\system32\cscript.exe" "%Programfiles%\Microsoft Office\Office15\OSPP.vbs" /act