Different Windows switching methods of the same program in Mac system

We generally know the MAC system to switch between different programs, but how to switch the same program of different windows, everyone through the sweat that in the use of Command+tab switch window, but this is to switch different programs, then the same program different Windows how to switch it? Here is a brief introduction.

There are many programs that support multiple windows, such as the Finder, or Safari. Have you ever encountered such a situation:

　　Mac system the same program different window switching methods:

Multiple windows in the same program you will find that although there are many windows on the desktop, they all originate from the same application, so if you want to find one of the windows, then Command+tab will not work. So what to do? can try command+ "~"