Tutorial updated to add OPTION SIX for Windows 10 Insider Preview Build 14316:
Insider Announcing Windows 10 Insider Preview Build 14316 - Windows 10 Forums
Virtual Desktop Improvements: You can now pin a window so it’s available on every desktop. To do this, launch Task View then right-click on the window you want to pin and choose “Show this window on all desktops”. Try pinning Skype or Groove Music so they’re always at your fingertips. And if you have a multi-mon setup, you might enjoy the ability to have your email app on the second monitor no matter which desktop you switch to.