How to setup hotspot can access internet without login

RouterOS Beginner Basics
1

I found that just android 4.3&above,iOS,WIN8 will show the login page automaticly.So here is it.
I want to make Hotspot works like a page-pusher.Users can access internet without any clicks.for the systems above,the login-page will show up automaticly,but no need to click.

THX.