Start the process by navigating to https://metamask.io/. Further, you can choose the "Download" option to get to the MetaMask extension page. Here, you need to scroll down to see the list of supported web browsers. Next up, you can choose the web browser- Chrome, Brave, Edge, Opera, and Firefox. After this, the relevant option based on your .MetaMask is an extension for accessing Ethereum enabled distributed applications, or "Dapps" in your browser! Watch an introductory video here. The extension injects the Ethereum web3 API into every website's javascript context, so that dapps can read from the blockchain.