If you’re sharing your PC with your family members, friends or relative you can switch between users to access your customized desktop, documents etc., instead of choosing Start menu>Shutdown and Switch User every time, you can rely on Fast User Switch tiny freeware portable app with which lets you pin its executable to the taskbar and click that icon for fast user switching.
Using Fast User Switch
Download and extract the program zip file contents to a folder. Now right-click on Fast User Switch executable and click “Pin to Taskbar”, user switch icon appears on the taskbar. From now onwards whenever you want to switch to another user click that icon and you’ll be automatically switched over to user selection screen.