Switch between workspaces
Using the mouse:
Open the Activities overview.
Click on a workspace in theon the right side of the screen to view the open windows on that workspace.
Click on any window thumbnail to activate the workspace.
Using the keyboard:
Press Super+Page Up or Ctrl+Alt+Up to move to the workspace shown above the current workspace in the workspace selector.
Press Super+Page Down or Ctrl+Alt+Down to move to the workspace shown below the current workspace in the workspace selector.