set time window sleep
file.vbs
Set WshShell = WScript.CreateObject("WScript.Shell") 'create \windows\system32 
Do While 1=1
     WshShell.SendKeys "^%" '^ = ctrl  % alt --> ASCII
  WScript.Sleep 60000 '60*1000  = 60 second = 1 minutes
Loop
For SHIFT prefix with +
For CTRL  prefix with ^
For ALT   prefix with %
 
 
