For users who have lost their prompt but have a valid installation, a common "clean" manual tweak involves the Proof.xml file.

To verify if Office 2007 is activated:

Most scripts targeting Office 2007 you find on forums, Reddit, or GitHub are either non-functional or dangerous . Why? Because Office 2007 does not use OSPP.VBS (that started with Office 2010). True Office 2007 activation involves the MSO.DLL file and registry entries, not a VBS script.