I know how to do this with regular application windows, you just drag the window to the edge of the screen until it moves to the next desktop.
This does not work with the Preview window.
Is there a way to force it to the other desktop?
MacOS – How to move Preview window to other desktop in MacOS
desktopmacospreview
Related Solutions
If the option to switch to a space with open windows for an application is checked in the Mission Control preferences and the application has no other windows, you can just select it from the application switcher or Spotlight.
Control-left, control-right, and control-numbers should change spaces by default; the shortcuts can be changed in the keyboard preferences.
Related questions:
You can go into Mission Control (formerly known as Expose in Snow Leopard), then drag the window from your current desktop the thumbnail of the other desktop, which will be at the top of the screen.
Best Answer
I use the "3-finger-pushup" method for this;