Install the CLI
When installing the Prismic CLI (command line interface), if you haven't already, you will need to make sure you're using the latest version (Check you version by running and compare it to the latest version released on npm). Launch the terminal (command prompt or similar on Windows) and run the following command.
npm install -g email@example.com
Sometimes it's possible that a global () command like this doesn't work because of permission levels on your machine.
If that's the case for you, try executing the sudo command below:
sudo npm install -g firstname.lastname@example.org
Once you've ran the command you can confirm if your are using the correct version by running the following command: