1. Go to your Heart Internet customer area and select cPanel Hosting.
2. Select the your desired cPanel hosting account and select Login.
3. Click cPanel Admin.
4. In the Security section, click SSL/TLS.
5. Under Certificates (CRT), click Generate, view, upload, or delete SSL certificates.
6. Use the Upload Certificate section to upload the primary certificate (.crt file with randomized name) from your local machine and click Upload Certificate.
7. On the new page, click Go Back.
8. Scroll down to the bottom of the SSL Certificates page and click Return to SSL Manager.
9. Under Install and Manage SSL for your site (HTTPS), click Manage SSL Sites.
10. Scroll down to the Install an SSL Website and click Browse Certificates.
11. Select the certificate that you want to activate and click Use Certificate. This will auto-fill the fields for the certificate.
12. Scroll down to the bottom of the page and click Install Certificate.
13. On the Successfully Installed pop up, click OK.