macOS Window Management
Last updated: May 19, 2020
Every Mac user should at least try out some window management software. This allows you to quickly have a window take up the left or right half of the screen (or do many other more complex things). It makes multitasking substantially easier.
Here is some software that does this:
If you already use Keyboard Maestro, you can easily set up macros to move windows around without separate software.
At a minimum, I recommend setting up a keyboard shortcut to move and resize the front window to the left half or the right half of the screen. I use command-option-control-left and -right to do this on my computer.