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OSPP.VBS

OSPP.VBS is the Office Software Protection Platform script. It enables to configure licensed versions of Office (incl. Visio and Project) products.
However, this script doesn't work for Microsoft 365 Apps or subscription versions of Project and Visio. Instead, the PowerShell script named vNextDiag.ps1 should be used.
OSPP.VBS is found in C:\Program Files\Microsoft Office\OfficeX 
C:\> cscript ospp.vbs /Option:Value ComputerName User Password
The value of ComputerName is a remote computer. Omit to use local computer.

See also

The value of UserOperations under the registry key HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\SoftwareProtectionPlatform

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