Competency partners and Action Pack subscribers must activate Office 365 and the rest of the online services by visiting the Digital Distribution Portal, as shown below:
For detailed instructions on how to complete the activation, download the Product Usage Guide.
If the Office 365 Developer subscription is an investment that you would like to make, you can either start a 30-day trial at no charge or purchase one for US $99 per year. For more information, please visit the MSDN article, Sign up for an Office 365 Developer Site, where additional resources can be found.
Note: Using the Contact Microsoft Support button requires you to login into the MPN site using a valid Microsoft Partner Network login. If you do not have a valid Microsoft Partner Network login or are having problems logging in to MPN, you can get more information or assistance from the MPN Support site.