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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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  1. How.com.vn English: Step 1 Right-click on the start button and select Run.
  2. How.com.vn English: Step 2 Type regedit into the field, and click on OK
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  3. How.com.vn English: Step 3 Expand HKEY_LOCAL_MACHINE > SOFTWARE > Microsoft > Office > 11.0 > Registration
  4. How.com.vn English: Step 4 Click on the item, composed of a combination of numbers and letters.
  5. How.com.vn English: Step 5 Hold  Ctrl on your keyboard, and click on DigitalProductID and ProductID.
  6. How.com.vn English: Step 6 Press Delete and click on Yes.
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Method 2
Method 2 of 3:

Microsoft Office 2007

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  1. How.com.vn English: Step 1 Right-click on the start button and select Run.
  2. How.com.vn English: Step 2 Type regedit into the field, and click on OK
  3. How.com.vn English: Step 3 Expand HKEY_LOCAL_MACHINE > SOFTWARE > Microsoft > Office > 12.0 > Registration
  4. How.com.vn English: Step 4 Click on the item, composed of a combination of numbers and letters.
  5. How.com.vn English: Step 5 Hold  Ctrl on your keyboard, and click on DigitalProductID and ProductID.
  6. How.com.vn English: Step 6 Press Delete and click on Yes.
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Method 3
Method 3 of 3:

Microsoft Office XP

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  1. How.com.vn English: Step 1 Click on the Windows icon and select Run.
  2. How.com.vn English: Step 2 Type regedit into the field, and click on OK
  3. How.com.vn English: Step 3 Expand HKEY_LOCAL_MACHINE > SOFTWARE > Microsoft > Office > 10.0 > Registration
  4. How.com.vn English: Step 4 Click on the item, composed of a combination of numbers and letters.
  5. How.com.vn English: Step 5 Hold  Ctrl on your keyboard, and click on DigitalProductID and ProductID.
  6. How.com.vn English: Step 6 Press Delete and click on Yes.
  7. Advertisement

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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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      About This Article

      How.com.vn English: Luigi Oppido
      Co-authored by:
      Computer & Tech Specialist
      This article was co-authored by Luigi Oppido. Luigi Oppido is the Owner and Operator of Pleasure Point Computers in Santa Cruz, California. Luigi has over 25 years of experience in general computer repair, data recovery, virus removal, and upgrades. He is also the host of the Computer Man Show! broadcasted on KSQD covering central California for over two years. This article has been viewed 602,947 times.
      How helpful is this?
      Co-authors: 21
      Updated: November 2, 2023
      Views: 602,947
      Thanks to all authors for creating a page that has been read 602,947 times.

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