I'm running Ubuntu 17.10 in VirtualBox and the keyboard shortcut for switching to a new workspace doesn't work. Please show me a screenshot that shows how to switch workspaces from the desktop environment in Ubuntu 17.10 without pressing the keyboard shortcut.
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Click the Activities at the left upper corner, then you will have access to the virtual desktops on the right edge of the screen. (
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Source: How can I move through virtual desktop with mouse on Ubuntu 17.10?
You can do so by pressing Super/Windows and choosing the workspace on the right hand side of the screen (see screenshot) (or respectively Ctrl+Alt+PageDown/PageUp/→/← in VirtualBox, the 3rd key in the keyboard shortcut sequence depends on which workspace is currently selected).