How to split the screen on Windows, like in Linux tile managers?

Question

Windows

Linux has tile window managers.
In android there is a new desk mode on tablets, on smartphones there is a split screen.
How to do it on Windows?
For abstracts. I would like to have a YouTube video or a PDF book on a laptop on one sidewall, and on the other side I can easily print a summary

Answer 1

1. One
2. Two
3. Three

Answer 2

Open the desired window and press Win + Arrow Left (or Right)

Answer 3

And what prevents you from simply opening two (three, four, ...) windows and setting them to the desired size and position?