MetaMask can be downloaded on Chrome and Firefox, or on iOS and Android if you’re a mobile user. Please see the MetaMask Download page. From there, select whichever platform you’re using, and follow the steps to install it on your device.
Step One: Install MetaMask on your browser
Step Two: Create a wallet on MetaMask.
Click on “Createa Wallet” and follow the setup process, please remember to write down your backup phrase!