You can add a script to the start up folder:
For all users:
C:\ProgramData\Microsoft\Windows\Start Menu\Programs\StartUp
For the current user:
C:\Users\[User Name]\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup
FYI - The MSDN forums are closing. Please make future post to the new Microsoft Q&A forum: windows-iot-10-core - Microsoft Q&A
Sean Liming - Book Author: Starter Guide Windows 10 IoT Enterprise - www.annabooks.com / www.seanliming.com