With the release of the new Office, there are lots of new resources for you to look at. To get started, have a look at the below links:

  1. What’s New for Developers
  2. A New Class of Apps
  3. Build Apps for Office and SharePoint
  4. FAQ
  5. Product Guide
  6. Try with Office 365 (works with existing Office using Click-To-Run technology)
  7. Try without O365 (requires uninstallation of previous Office)

 

Other Office 2013 Programs :

  1. Lync 2013
  2. Project 2013
  3. SharePoint 2013

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