Type or paste in the 25-character Product Key.
For more information about Activation, see Activate Microsoft Office programs.
Important Do not lose your Product Key. Keep the packaging, or write the number down and keep it in a safe place. If you do lose your Product Key, read the Microsoft Knowledge Base article How to obtain a new Product Key for an Office program.
If you receive an error message or encounter a problem, visit The Microsoft Office 2010 Setup Resource Center for troubleshooting information and how to contact Microsoft Product Support.
Your Product Key is found in different locations depending on how you acquired Microsoft Office 2010.
Where do I find my Product Key?
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I purchased Office from a retailer (on disc)
I purchased an Office Product Key Card
I purchased and downloaded Office online
I purchased a new computer with Office preloaded
My company installed Office on my computer
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I purchased Office from a retailer (on disc)
The Product Key should be located inside the package on a label on the card opposite the disc holder on the left side of the case.
Product Key located inside the package on a label on the card opposite the disc holder on the left side of the case
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I purchased an Office Product Key Card
The Product Key should be located inside the package on a label on the left side of the case.
Product Key located inside the package on a label on the left side of the case
If the Product Key is not inside the package, review the instructions in the package. You might be required to retrieve your Product Key from Office.com/getkey.
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I purchased and downloaded Office online
The Product Key should be on the confirmation page and/or in an e-mail message that was sent to you when you downloaded the software. If you do not have your confirmation message, go to Office.com.
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I purchased a new computer with Office installed
The manufacturer of your computer should have included either media or a Microsoft Product Identifier card in the box that has the Product Key. The Product Key is located on the Certificate of Authenticity and should resemble the following:
Certificate of Authenticity and Product Key from the manufacturer of your computer
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My company installed Office on my computer
If Office was already installed on your computer supplied by your company or organization, contact your system administrator.
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