Firectl can be installed several ways based on your choice and platform.

Sign into Fireworks account

To sign into your Fireworks account:

firectl signin

If you have set up Custom SSO then also pass your account ID:

firectl signin <ACCOUNT_ID>

Check you have signed in

To show which account you have signed into:

firectl whoami

Check your installed version

firectl version

Upgrade to the latest version

sudo firectl upgrade