Open MetaMask's menu
Go to "Parameters"
Go To "Networks"
Click on "add network"
input the following information :
Network Name:Binance Smart Chain Mainnet
New RPC URL: https://bsc-dataseed.binance.org/
ChainID: 56
Symbol: BNB
Block Explorer URL: https://bscscan.com
All informations for BSC on
academy.binance.com