Other ways to install

Through Chocolatey (Windows only)

1. Install Chocolatey if you haven't done already. See this page for instructions on how to do that.

2. In an elevated cmd console (Run as administrator...) :

   choco install jetbrainsmono

ChromeOS Terminal

In the terminal:

1. Use the keyboard shortcut CTRL + SHIFT + P to open up settings.
2. Scroll down to "Custom CSS (Inline Text)".
3. Copy & paste the following:

@font-face{
    font-family: 'JetBrains Mono';
    src: url('https://raw.githubusercontent.com/JetBrains/JetBrainsMono/master/fonts/webfonts/JetBrainsMono-Regular.woff2') format('woff2'),
         url('https://raw.githubusercontent.com/JetBrains/JetBrainsMono/master/fonts/ttf/JetBrainsMono-Regular.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
}

* {
    -webkit-font-feature-settings: "liga" on, "calt" on;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    font-family: 'JetBrains Mono';
}