MetaMask is kind of built-in digital wallet. You can run Ethereum Dapps directly without running all nodes. It is allowed to install on Chrome, Firefox, Opera, and the new Brave Browser. Considering high compatibility and stability, we recommend you install Google Chrome.
1. Download Google Chrome
1) Visiting the official website to download Chrome and finish installing
2. Add Metamask
a. Install Metamask from Google Extention
1) Open Chrome Web Store, add to Chrome-Add to the extension
2) Finish installation
b. Download MetaMask from Github:
1) Download metamask-chrome-4.9.3 zip
2）Open Developer mode-Load unpacked-upload zip file
3) Finish installation
Thanks for your support!