Step 1.) Download and Install MetaMask
MetaMask Download
Step 2.) Open Network Settings
Step 3.) Click on 'Custom RPC'
Step 4.) Fill out Form:

Network Name: cheapETH
New RPC URL: https://node.cheapeth.org/rpc
Chain ID: 777
Currency Symbol: cTH
open network settings click 'Custom RPC' fill out form with following info and save