Before You BeginEnsure MetaMask is Installed: If you don't have MetaMask already, download and install it as an extension in your compatible web browser (Chrome, Firefox, Edge, Brave). You can find it on the MetaMask website (https://metamask.io/).StepsOpen MetaMask: Click on the MetaMask extension icon in your browser's toolbar.Network Dropdown: Click on the network dropdown menu at the top of the MetaMask window. It will likely display "Ethereum Mainnet" by default.Select "Add Net...