Nice, i’ll check this out!

maybe there is something native that is better these days but I have been using this for years. Got my first mac in 2014 (11in air).

better snap tool -BetterSnapTool allows you to easily manage your window positions and sizes by either dragging them to one of the screen’s corners or to the top, left or right side of the screen. This enables you to easily maximize your windows, position them side by side or even resize them to quarters of the screen.