Processes in Microsoft 365 for setting up Office apps, redeeming product keys, and activating licenses.
So you have an Upgrade version of Office 2003? You do need to obtain a qualifying product (this is the MAJOR downside of purchasing an Upgrade version...).
You need to supply (not neccesarily install - inserting the relevant CD usually is sufficient) proof of one of the following:
Office XP Developer, Office XP Professional with FrontPage, Office XP Professional Special Edition, Office XP Professional with Publisher, Office XP Professional, Office XP Small Business Edition, Office XP Standard, Office 2000 Developer, Office 2000 Premium, Office 2000 Professional, Office 2000 Small Business Edition, Office 2000 Standard, Office 97 Professional, Office 97 Small Business Edition (version 2), Office 97 Small Business Edition (version 1), Office 97 Standard, Works Suite 2004, Works Suite 2003, Works Suite 2002, Works 2000, Works 8.0, Works 7.0, or Works 6.0
You may be able to pick one of those up quite cheaply on EBay....
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