You can’t! Most Aero features have been removed from Windows 8 and that (sadly) includes Flip 3D. There was talk of this feature being tied to the Windows theme you were using, but I have tried several that used to include Aero Glass frames and none work (even though it did work on the beta’s).
3d Taskbar Windows 10
Download WinFlip - Flip through all your windows. Chances are that you have already heard about the 'Flip 3D' effect that could display all the active windows in a 3D stack. Those platforms with Windows Aero had the Flip 3D Alt + Tab window switcher. Nevertheless, you can still add some 3D effects to Windows 10 with T3Desk 2015. Also see our article 6 Free Screen Recorders for Mac OSX. T3Desk 2015 is software that adds 3D to desktop windows. With T3Desk you can then flip and rotate the windows on your desktop.
Note that there is an ugly work around to get Glass to function in a minimal way but after running it for 2 minutes I reverted so I would not waste your time with it.
On the slightest of bright notes Aero Snap still works and you CAN re-enable Aero Peek (see screen shot below)
Flip 3d For Windows 10
Aero Flip 3d In Windows 10
… and one more thing which you might have guessed already; the word AERO has been removed from all things 8 (so we now have SNAP and PEEK