What is the easiest way to record a video game and upload it to the Internet?

Question

Video

Hello.
It is necessary to implement video recording of the gameplay.
The minimum is a video file on the local computer. Then you can manually upload to Youtube.
But if it's on the Internet right away, that's fine too.
It is desirable that the solution has as few requirements for PC resources as possible.

Answer 1

OBS Studio

Answer 2

You can use the hacked version of Mirils Action. There is a user-friendly interface.