First, you have to download Node.js and install it. Do not hesitate to double-check with the command:
You must have the version 5.6.0 or higher.
Then, you need the TypeScript with the command:
Finally, let's install Angular itself with the following command:
npm --version to check the version
Now you are ready to code your first Angular application ! Congratulations !
Don't forget to explore all the possible command with: