Switch between windows
You can see all the running applications that have a graphical user interface in the window switcher. This makes switching between tasks a single-step process and provides a full picture of which applications are running.
From a workspace:
Windows in the window switcher are grouped by application. Previews of applications with multiple windows pop down as you click through. Hold down Super and press ` (or the key above Tab) to step through the list.
You can also move between the application icons in the window switcher with the → or ← keys, or select one by clicking it with the mouse.
Previews of applications with a single window can be displayed with the ↓ key.
From the Activities overview, click on a to switch to it and leave the overview. If you have multiple open, you can click on each workspace to view the open windows on each workspace.