Computer self-tutoring: the tutor mentions how to check which Microsoft browser you’re using.
In my experience, here is how to reveal the About info:
The three dots at top right, just under the x, hold a menu, under which, at the bottom, is Settings.
Opening the Settings option, a heading called About this app is near the bottom. There is described the browser: this one reports Microsoft Edge.
Jack of Oracle Tutoring by Jack and Diane, Campbell River, BC.