If you have a new Mac or a new Magic Mouse, you’ll need to connect Magic Mouse to Mac before using it. This is the example same process for any Mac, from iMac, MacBook, or Mac mini and MacBook Air.
Master your Apple Magic Mouse with this guide to essential gestures. Learn to swipe between pages, invoke Mission Control, ...
One of the more intriguing new features introduced in iPadOS 26 for iPad is the optional windowed app mode for multitasking.