How To Change Product Key Office 2010

If you already have/buy the product key for Microsoft Office 2010, then you need to activate the product online through the Internet. And if you find no column/field in Ms Office 2010 for entering the product key here in this post is how to resolve.

Sample of error, need to change the product key

How to change the product key ?

Method 1

Go To Registry Editor, Press Windows+R the type Regedit, click OK or hit Enter

Navigate to the registry : HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\14.0\Registration\, then delete all value in registration.

Exit from Regedit,
Restart MS Office, Now on the activate page will appear column/field to enter the product key.

Method 2

Open Ms Office
Click on File Menu
Click Help
Click Change Product Key