Power BI Desktop the First Experience
Power BI Desktop is the new development editor released 24th of July 2015 as general availability for Power BI. Power BI Desktop can connect to many data sources, transform the data, load it into a data model with relationship design, and finally visualize it in a report style. Power BI Desktop apply all of these actions on a *.pbix file, and it can publish the file directly to Power BI website where users can see the report and interact with it from web browser.