Record TV (consoles) via laptop?

I wanted to know how you can best record your TV (Ps2 Ps3 Wii Etz.) And save it directly on your laptop.

For example, if you want to do a LetsPlay for YouTube.

Would be cool if someone knew me.

You're not filming the television, you're filming the console.

There are so-called "capture cards" for this. You clamp them via HDMI between the console and the computer in order to then display the picture on the computer. You can then, for example, record a lets play with your recording program.