Hostiso offer free SSL provided by Let's Encrypt - https://letsencrypt.org/

- To enable SSL you visit cPanel > SSL/TLS Status and select for what domains you wish SSL and click issues 

- In case SSL is not provided in 60 minutes period, try to rename .htaccess over file manager in public_html, and again click issues SSL in cPanel, after SSL is proivded rename .htaccess back.

- In case SSL still not provided, contact us.