Windows 8
 
Always Show Menus
Show Hidden Files and Folders
Show Extensions for Known File Types

After you install the operating system, you need to configure it so that your computer is more easily used, maintained, and secured.  Some changes to the default settings of the computer are essential if you are to understand what it is doing.
Folder Display Options:
You need to change three Windows defaults in order to understand how programs work and files are used.  After installation, Windows is set to hide file extensions and menus and not display "hidden" folders.  You want to modify these settings to display this information.
You need to do this on your home computer:
1 Hold down the Windows Key with one finger and tap the “X” key with another.  The “X” key can be upper or lower case, it makes no difference.  A picture of the Windows key appears in the cell to the right.  On most desktop keyboards, the key is between the “Ctrl” and “Alt” keys in the lower left corner of the keyboard.  Some laptops will have the Windows key in various locations on the keyboard.
Windows-Key-1.jpg
2 Inside the pop-up menu, left click on Control Panel.
3 Proceed to step 3 on the following web page:

http://www.oakcg.org/Archive/W7-Show-Extensions-For-Known-File-Types.htm