Windows Key + Tab

This is also the gateway to creating "Virtual Desktops," which allows you to have separate screens for work, personal browsing, and gaming.

This shortcut cycles through your open windows in the order they were opened, without showing the overlay preview screen. It’s a more raw, immediate switch for those who know exactly where their apps are.

While not exactly "switching screens," you may also want to quickly move between open application windows on the current screen:

In Windows, "switching screens" can mean two different things: