Installing SSAS and Preparing for Cube Development - Getting Started with SQL Server 2012 Cube Development - page 29

Now you should have one instance of the Database Engine, one instance of Report-
ing Services, two instances of Analysis Services, one default instance running in the
tabular mode, and one named instance called multidimensional running in mul-
tidimensional mode.
During the course of this topic you will use the sample databases for SQL Server to
learn how to work with Analysis Services. You can find the sample database in the
following link: http://msftdbprodsamples.codeplex.com/releases/view/55330 .
Download the AdventureWorksDW2012 Data File package and install it using
the steps explained in the next section.