Classic Shell is a free app for improving your productivity by enhancing the overall usability of Windows via a highly customizable start menu. No longer updated, however Classic-Start is an updated, improved version that builds off this Open Source code.
It features multiple styles and skins giving you the control to use your PC the way you want to.
You get quick and easy access to recent, frequently-used, or pinned programs as well as being able to quickly find any programs, settings, files, or documents with minimal keystrokes.
Classic Shell also brings back the start button for Windows 10, 7, Windows 8 and Windows 8.1 and provides a toolbar and status bar for Windows/Internet Explorer - all in all, an excellent tool for the enhancement of your Windows experience in a day-to-day work environment.
Classic Shell is no longer updated. The source code is included with the download.