How to record your screen on a Windows 10 computer and capture your computer's audio along with it

You can screen record on Windows 10 using the Game Bar. A third-party app like OBS Studio allows you to record your screen and computer audio.

How to save your Twitch streams so viewers can watch them later

You can save Twitch streams that you've done by turning them into VODs or Highlights, and then anyone can watch them.