Khan Academy is a famous online education portal that lets people watch videos on various subjects. Currently the website boasts a database of more than 3500 videos that are hosted on YouTube.
Khan Academy for Windows 8 is the official app from Khan Academy that allows you to browse through all subjects and watch videos on your Windows 8 powered computers and tablets.
Khan Academy was started by a graduate of MIT and Harvard Business School, Salman Khan, the aim of this website is to provide high quality education to everyone everywhere.
Here you can find topics related to mathematics, history, medicine, finance, physics,chemistry, biology, astronomy, economics, computer science and several other disciplines. You can learn about the different topics, as well as take tests to check how much you have learned.
To get the app, go to Windows 8 Store and search for Khan Academy. Select the tile with the tree icon and click it to access the app page. Khan Academy app works on both 32-bit and 64-bit versions of Windows XP, Windows Vista, Windows 7 and Windows 8.