startup folder (from run dialog)

shell:startup

shutdown with timer

shutdown -s -t [seconds]

turn off monitor

powershell.exe -Command "(Add-Type '[DllImport(\"user32.dll\")]public static extern int SendMessage(int hWnd,int hMsg,int wParam,int lParam);' -Name a -Pas)::SendMessage(-1,0x0112,0xF170,2)"

blank screen right now

scrnsave.scr

show lock screen / screensaver

win + L

file location for start menu

C:\Users\[user]\AppData\Roaming\Microsoft\Windows\Start Menu