Windows: Mouse Hover to Activate Window

Here's how to make mouse hover to activate window.

This works in Windows 10, Windows Vista, Windows 7.

1. Press ❖Window key (or ❖Window+r), then type “control panel” to open it.
2. double click “Ease of Access Center”
3. click “Make the mouse easier to use”
4. checkbox “Activate a window by hovering over it with a mouse.”
5. click Save.