Hi friends here is the shortcut for fast switching users if u want to change the users very fastly just follow the procedures
you have to create a shortcut to switch the current user is very easy it is done by creating a shortcut to c:\windows\system32\tsdiscon.exe
± Right click where you want the shortcut to be created and select New and then Shortcut.
± Copy and paste “c:\windows\system32\tsdiscon.exe” into the location box and hit Next.
± Give it a name and hit Finish.