It is impossible to install an old version of Steam, but even if you can, you will not be able to play multiplayer games. Steam is constantly updated at startup, so you can't play on the old version. You likely want to cheat for money, so think a few times before making a purchase. I used to play CS:GO on Steam a lot, but because of toxic players, I quit the project and found another one, which I really like. However, I don't always have time to improve my character as I work a lot. It's excellent that
SkyCoach provides a service to get through boring levels. Now I have more time to enjoy the game.