Something like Google stadia only with my own PC?

I thought about buying a laptop. But I already have a PC and it is also quite good. Now of course I don't want to spend a lot of money on the laptop. Is there a way that I do something like Google stadia only that I use my own PC for it and not a Google server?

Yes, you can do it with TeamViewer, but you have to keep in mind that your PC must always be on and you need a relatively strong internet connection…

Is that also possible if my PC is in the LAN and my laptop is in the Wi-Fi?

Yes, you can also have your PC in DE and your laptop in Albania, it always works. But think of a stable and fast connection

Yes, Shadows or GeForce now are good / better alternatives.

Ups question not completely read. Sorry