Office 2007 with a product key or serial number

Most suites or programs of Microsoft Office 2007 allows user to evaluate the product. The trial version of 2007 Microsoft Office system can be installed by using a 25-character trial product key available from Microsoft while you, and you can use the Microsoft Office 2007 suite or program with full functionality for 60 days.
You may have the Office 2007 CD and are able to Office 2007 without entering product key. However, Office 2007 will work in reduced functionality mode, where it’s effectively just a viewer for Office. Beside, if you forget the trial product key, or don’t wish to register a Windows Live ID to get the trial key, here’s the trick to activate Office 2007, or more correctly, bypass the activation of Office 2007 60 days trial, and making the “trial” word disappear from the Office title at the top and suppress activation and trial expiry prompt.
Note that to use Microsoft Office 2007 beyond 60 days trial period, you need to purchase a valid license for it, available from or most computer retail store.
To use this hack to crack activation on Office 2007, you need to install Office 2007 without any serial number or product key. If you have installed Office 2007 with a product key or serial number, do the following to clean remove Office 2007 of product key:
   1. Close all Microsoft Office.
   2. If there is more than one registry entries or subkeys that reference Microsoft 12.0 registration, open up each subkey, and then identify the product by the ProductName value data until you locate the subkey for the product which you want to remove the existing product license key.
   3. Once found the correct registry subkey, delete the following values:
     
   4. Close Registry Editor.