Play The Elder Scrolls Online for Free

To celebrate QuakeCon, The Elder Scrolls Online is also free to try on Steam. You can play the Windows and macOS MMORPG for nothing over the next 11 days, and it is on sale for half-off between now and August 25th. Here's the elevator pitch:
Experience an ever-expanding story across all of Tamriel in The Elder Scrolls Online, an award-winning online RPG. Explore a rich, living world with friends or embark upon a solo adventure. Enjoy complete control over how your character looks and plays, from the weapons you wield to the skills you learn – the choices you make will shape your destiny. Welcome to a world without limits.