Once you’re happy with what you created and want to preview it in Player, just click Preview on the top menu or use the keyboard shortcut Cmd/Ctrl + Shift + P.
You can preview from start, or from the current screen. Just click the option you want.
You then enter the Player
You can interact with the prototype from the main view, or use the screens menu on the right to navigate.
You have various options to customize the Player, like hide the screens menu, refresh the prototype, change orientation, change skin and background color, hide interaction hints, show click effects and zoom levels.