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Have you ever entered a pirated product key into your Microsoft Office? It can sometimes disable you from receiving critical updates, and support from Microsoft. A product key is a specific software-based key for a certain program. It is used to identify that the copy of the program is original. Product keys consist of a series of numbers or letters. This sequence is typically entered by the user during the installation of computer software, and is then passed to a verification function in the program. If you wish to acquire a licensed copy of Microsoft Office, you must change its product key to a genuine one.

Method 1
Method 1 of 3:

Microsoft Office 2003

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Method 2
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Microsoft Office 2007

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Method 3
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Microsoft Office XP

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      Tips

      • Consider Open Source alternatives for all proprietary software: OpenOffice.org is an office suite comparable or superior to the "Pro" versions of Microsoft Office, yet is free, as in both freedom and beer.
      • Write down the changes and initial values. You may later need to restore the Registry as it was.
      • Create a System Restore Point before trying out these instructions. It will allow you to restore your operating system, if anything goes wrong with the Registry .
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