How to enable hibernate mode in Windows 7 and vista

Though Windows 8 is catching up fast, Windows 7 and vista still have dedicated followers and users around the globe. At home, people use their desktops for work or casual purposes and Windows 8, being touch friendly doesn't score too much on mouse and keyboard friendly systems. Hence, Windows 7 and vista still run on such systems and will continue to do so. Hibernate mode is a great utility for people who don't like to close up their work before shutting down their PCs'. It helps to save the current context so that next time when you boot up your PC, you get whatever you were working on. ( TF3TDZRTM3UM )