With Windows 10 Technical Preview, Microsoft has introduce a new feature called Task View which is in fact a way to use multiple different desktop running different applications – both Windows App or Desktop App.
This feature has been there for a long time on Linux or OSx, and has been there too long time ago on Windows XP with a PowerToy 
To use it, just hit the Task View icon in the taskbar 
, this will get you to the task view interface which displays the main desktop view (the one started when you logon) then you just have to hit the + Add a desktop (or the + sign if you already have another virtual desktop) to create a new virtual desktop/task view and start your application; repeat as many time you need
If you close the virtual desktop/task view, this does not close the applications currently running in this view. These applications go back to the main desktop