MetaMask is a browser extension and mobile app that allows you to access and interact with Ethereum-based applications, such as decentralized exchanges, games, and NFTs. To set up a MetaMask wallet, you need to:

• Download and install the MetaMask extension for your browser or the MetaMask app for your mobile device.

• Create a new wallet and choose a password.

• Write down, store, or memorize your secret backup phrase, which is a set of 12 words that can help you restore your wallet if you lose access to it.

• Confirm your secret backup phrase by entering it in the correct order.

• Start using your MetaMask wallet to send, receive, and swap tokens, or connect to other Ethereum applications.

For more detailed instructions and screenshots, you can check out these tutorials:

• MetaMask Tutorial for Beginners - How to Set Up MetaMask (video)

• MetaMask Tutorial: Beginners Guide on How to Use & Safely Setup MetaMask (video)

• How to Install and Set Up MetaMask on PC and Mobile (article)

• MetaMask Tutorial: The Ultimate Beginners How-to Guide (article)