During this moment, the Continue button becomes inactive and gray. Moreover, there is a message that will ask you to wait while the key you entered is still validated. You only put the 25 alphanumeric characters, and it will be taken care of. When it comes to changing the product key in Microsoft Office 2010, there is no need to concern yourself with hyphens or CAPS. It will not activate, and it can cause problems along the way.
When this happens, Microsoft will assume that you are trying to transfer the code to a new different computer. One uncommon but can likely happen scenario is that you have more than one Office software license and you put one product key on the wrong computer.
