Shutdown8 - Version 1.08 Shutdown8 is a simple program that very simply allows you to add the shutdown button onto the taskbar and select the Shut down, Log off, Restart, Timer, Sleep or Hibernate menu. Users can use the shutdown button on the taskbar more quickly and power off computers at a specified time with a shutdown timer. There are several shutdown software on the market, but Shutdown8 might be the easiest shutdown program for Windows 8 users. Shutdown8, because of its easy-to-use taskbar and small program size, will become essential software for Window 8 users.Even though this program is mainly designed for Windows 8, Users of Windows XP, Vista and 7 can also take advantage of this program.