I have a harbor breeze fan with a light the llamp cover looks like a dome and I can't get it off to change the bulb

I have a harbor breeze fan with a light the llamp cover looks like a dome and I can't get it off to change the bulb
There should be three small screws at the top of the globe or one nut that blends into the globe at the very bottom.

If It Doesn't Have The Three Screws , And I Don't Think It Does, Try And Twist The Globe, Some Twist Lock In To Place.