There are several ways in Windows 11 to switch between open applications:-
1)Press the following keys to cycle through all running programs - stop on the one you wish to switch to.
2)Click the relevant program icon in the Taskbar at the bottom.
3)Press the following keys .
- or -
Click icon on Taskbar to show Task View.
You will then see following screen where you can choose which application or window you wish to switch to.
Below are for touch screen enabled devices and can also be used on some laptops with touchpads which support gestures:-
•Swipe up with three fingers to switch to open Task View.