What is Metamask? How to Install Metamask - Is Metamask Safe - Metamask for Beginners
Start by downloading the web application extension
Visit the official metamask website to download the latest updates:
www.metamask.io
Click on the "download" button.
Next install metamask for Chrome (or Brave Browser)
You will be prompted to write down your seed phrase.
Never share your seed phrase with anyone.
It is best to write it down and store it some place safe.