XLN Audio's Addictive Drums is included with SONAR X3 Producer, however the installer is a seperate installer hosted by XLN Audio. This installer requires an internet connection.

If you have a computer that is not connected to the internet, you can temporarily connect it to install Addictive Drums, and then disconnect it. It should be noted that the latest version of Addictive Drums only requires an internet connection during installation. If you are able to connect your computer to the internet temporarily, then you can get the latest version of Addictive Drums and any expansion pack. You can then go back offline.

If an internet connection is unavailable, please visit XLN's knowledge base for alternative installation instructions:

http://www.xlnaudio.com/support-knowledge_base-offline_installation_of_addictive_drums

Please note that you will not be able to get the latest version of Addictive Drums via offline install. The only noticeable differences between 1.5.2 and 1.5.7 is that 1.5.7 includes a standalone application and AAX support (only relevant if you are running Pro Tools 11). You will also not be able to install the latest two ADpaks (Black Velvet and Vintage Dry), nor any future ADpaks.