open run command (Winkey+R)->
type
This will open a window in the otherwise hidden AppData path for the Startmenu/Programs/Startup -> Add a shortcut to the executable for the program you want to start.
OR
This will of course only apply to the logon account that you're using at the time.
For all users type
type
Code:
shell:Startup
OR
Code:
C:\ProgramData\Microsoft\Windows\Start Menu\Programs\StartUp
For all users type
Code:
shell:Common Startup