Fortinet is of the leader companies in Cybersecurity products and services (Firewalls, anti-virus, intrusion prevention and endpoint security). Now you have the opportunity to have some free training from one of the big security vendors, check thel ink below.

https://training.fortinet.com/local/staticpage/view.php?page=library_fortigate-essentials&_ga=2.220718044.554218823.1586787254-2028206572.1582302102

It is also a great opportunity to get familiar with FortiGate security in the prospective to prepare yourself for the certifications NSE.

I tried myself when I compled the course "FortiGate Essentials 6.2 Self-Paced".