File Explorer
Libraries, introduced in Windows 7, can now have their individual icons changed through the user interface. Previously, users had to change icons manually by editing configuration files. Windows 8.1, however, no longer creates any default libraries for new users, and does not display the Libraries listing in File Explorer by default. Instead, Windows 8.1 introduces shortcuts to the default user profile folders (Documents, Downloads, Pictures, etc.) within the This PC location of File Explorer. The libraries can be enabled in the Options menu.