You can split your screen on a Windows 10 computer by snapping two, three, or four windows into place.

You can use split screen on an iPad to view multiple apps at once and multitask with features like Split View and Slide Over.

Apple hasn't really got rid of its regular iOS home screen grid, but with iOS 18 it lets you customize it much more. Here's what it looks like. As expected, iOS 18 has greatly increased just how much ...