This course covers extensively, in over 30 videos, everything you need to know to hone your knowledge in Power BI

Introduction to Power BI
Components of Power BI
Building Blocks of Power BI
Exploring Power BI Services
Power BI Apps
Cleaning Data Sources
Connecting to Web Data
Creating Visualization
Publishing Reports to Power BI Service
Splitting columns
Changibd Data Types
Power Query Editor
Changing Locale

And so much more topics on Power BI