Once subscribed and logged in to Power BI, you can start exploring by importing and playing with data. Go to the main menu, and choose Get Data:
Here you choose to “Get Data”.
You choose for example “From Database”, then you choose for example: SSAS:
Then you type the server name and optionally the database name, and you choose whether to connect live to data or to import a data set into your report:
Once done you will land to main Power BI screen with left-menu having a
“Data Sets” section. Go to data sets and double-click on your new data set and this will open a new report for you to design:
You can also get data through connecting to Content Packs, and to Gateways.