title: How to avoid a new project from being linked to the primary project automatically?
body: <p>In PyCharm, I'd like that every new project will not be linked to the primary project automatically when I create it.
  Is there a way to do it properly?</p>
  <p>When a new project is created and attached to the current window, it is automatically linked to the primary project:</p>
  <p><img src="https://i.stack.imgur.com/WL2fY.png" alt="Screenshot new project." /></p>