Launch at startup

    For a Single User on a Specific Computer:

C:\users\<your username>\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup

    For All Users on a Specific Computer:

C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup

    For All Computers in a Specific Group of Computers:

Use Group Policies, which is a feature in Active Directory.