The official MetaMask extension listing should be the first result. 3.Click “Add to Chrome ” On the MetaMask listing, click the blue “Add to Chrome ” button. This will install the plugin and add it as an extension to your browser. Notable fact: If you have locked your MetaMask Chrome extension, you can unlock it by performing the MetaMask wallet login using the password. What you can do after creating a wallet on MetaMask? MetaMask allows you to avail of so many amenities such as crypto purchase, transfer of assets, swapping, staking, dApps, and NFT access, etc.