MetaMask Sign In to get started. If you’re just starting out with MetaMask, just click “Create a wallet” and follow the instructions on the screen. Once you’re signed in, you’ll be able to send and receive ETH and explore different DApps.MetaMask password, seed phrase, and private key secure. Never share this sensitive information with anyone and be cautious of phishing attempts or suspicious websites claiming to be MetaMask. Regularly update your MetaMask extension to ensure you have the latest security updates and features.