If you can't find something in Windows Server 2012, search is the first place to head. The easiest way to access search is to press the Windows key and swap the desktop for the Start screen. You can then type the term you want to search for.
The results will be displayed by category. For example, if you want to find the Services administrative tool, simply type services on the Start menu and select 'View local Services' in the search results. This is much faster than navigating the control panel to find the right tool.
To narrow a search to a particular folder, which is useful on file servers, open File Explorer either using the icon on the desktop taskbar or by pressing 'Windows+E', browse to the folder you want to search in the left pane and then type a search term in the search box in the top right-hand corner. File Explorer gives you a Search context tab to select more advanced options and the ability to sort and filter files and folders.