A basic knowledge of Node and its package manager npm is required to get going with TypeScript. It's also required that you install both from the Node website (https://nodejs.org/en/).
With Node and npm installed, you can install TypeScript globally using npm via the command line tool:
npm install -g typescript
If you get a permission warning while trying to install, you can use the sudo command:
sudo npm install -g typescript
You will see the ...