Microsoft Office Setup: Trial Conversion
In order to convert your Microsoft Office 2003 trial into the corresponding full product, you need to enter a Product Key obtained from a full product you have already purchased. Converting from trial to the full product will remove the usage limits on the software; none of your application settings or data will be affected by the conversion. You can only convert a trial with a Product Key from a full version of the same Microsoft Office System software.
This dialog provides you with two options for converting your trial, based on whether or not you have already purchased a full product. If you have already purchased your full product either online or through a local store, click Enter Product Key to go to the next dialog where you will enter the Product Key found on your CD case or a confirmation email from your online purchase.
If you have not yet purchased a full product, click Buy Key Online to buy the full product over the Internet. After you receive the Product Key for your copy of the full product, return to this dialog and proceed with conversion by clicking Enter Product Key. The ability to buy a Product Key online may not be available in all countries/regions at this time.