I am new ato apple and have second monitor set up. I want to know how to determine what is shown on second monitor. If i'm watching a video how do i drag it to second monitor.
I am new to Apple and just set up a second monitor on my IMAC I want to know to set what is shown on second monitor. Do I drag and drop. If i have a video tutorial open on main imac screen, how do i move it to second monitor
iMac 27″, macOS 10.15
