Instructions
Method #1
In the top-right corner of the window, click the minus symbol.
Method #2
The following keyboard shortcut commands will minimize all open windows:
- Windows key 
+D
 - Windows key 
+M
 
Outcome
The window will be minimized.
In the top-right corner of the window, click the minus symbol.
The following keyboard shortcut commands will minimize all open windows:
The window will be minimized.