Then click on ‘Networks’ in the settings menu. A list of networks that your MetaMask wallet is connected to will now appear. Now click on the ‘Add Networks’ button in the bottom of the window.
3. Add the network details
In this window, you will enter the details of the network to be added. MetaMask asks you to enter: Network Name, New RPC URL, ChainID, Symbol and Block Explorer URL. To add the Binance Smart Chain network, enter the following information: