To setup the best font...

  1. Install the font
    1. download the latest edition of firacode
    2. Unzip and go to the ttf-folder
    3. Select all files, right-click and install for all users (or just install)
  2. Configure VS code using these instruction and set it to Fira Code Retina
  3. also configure the terminal to use a monospace font, by adding this to the settings
    "terminal.integrated.fontFamily": "Consolas, 'Courier New', monospace"
    image

Note that you probably need to restart VS Code to see the font activated.