Connect to internet using internet on some other machine using LAN wire?

I have a laptop(machine 1) and desktop(machine 2) computer. Machine 1 has internet connection(uses WiFi) but Machine 2 is not able to get good signals of WiFi. How to make it so that machine 2 is connected to internet using machine 1? Please give step-by-step instructions and also tell me do I need some other equipment than LAN Wire and ethernet ports?