Hide Tabs, Navigation Toolbar and Tool Windows
Minimise your interface to allow you to focus on your code
Press ⇧⌘A (macOS), or Ctrl+Shift+A (Windows/Linux), for the Find Actions dialog. From here you can search for Tab Placement, NBar and TBar to turn on or off the tabs, Navigation Bar and Toolbar windows.
Note that CamelCase is supported for searching.