how to enter product key for publisher 2013

This Does Indeed Work!  The online repair does take a few minutes, but once complete it will pop up a window asking for your email address, BUT!!! under the email address field, in VERY small print, you will see where you can enter the key code. 

Awesome Tip - Thank You Very Much Atrias        

1. Go to Programs and Features
2. Select Microsoft Office
3. Select "Change"
4. Select "Online Repair"
5. Let the machine do its thing
6. Load an Office application
7. Select "Use a product key" - This is the important step
8. Enter your product key
9. Sign in with the Microsoft Account associated with your purchase
10. You're all set!

Just noting that RobertRaducanu's post of Sept 1, 2014 provided an alternative method that worked perfectly well for me.   It'll let you remove a previous Office 2013 or other Microsoft 2013 product via the command line.  Opening the program after doing this successfully gives one the opportunity to enter in a new product key.   One will still need to log onto one's Microsoft account (or sign up for one) to complete the new license registration and activation.

For me, the customized Office 2013 settings for different user profiles on the computer were left intact with this method.  Not sure if that would have been the case with the online repair.  It strikes me as more of a black box methodology.  That is, it's a wizard that will analyze your system and then automagically make a bunch of changes (under the guise of repairs) that may or may not be to your liking.

-HP

you need to do the online repair first