You can also toggle through the keyboard inputs by pressing ⊞ Win+Space.
Make sure your cursor is selected on a location you can enter text before pressing the keyboard shortcuts.
You can also press Control+⌘ Command+Space to bring up the emoji and character viewer.
If you don’t see a column on the left, click the button with the command symbol (⌘) in the top-right corner of the window to open the Character Viewer in full windowed mode.