If you see the same thing on both displays, you should start by making sure the displays are Extended instead of Mirroring ...

You can do iPhone split screen multitask to use two apps on screen at once, without a jailbreak. Maybe you want to scroll your Instagram feed at the same time as playing a YouTube video. The iPad ...

Split-Screen Multitasking Just Got Easier to Use on Windows Use Windows 11's Snap Layouts to easily split your desktop into multiple windows.