1. Log in to Your cPanel Account

2. Go to the SSL/TLS Section

3. Click on “Manage SSL Sites”

4. Scroll to "Install an SSL Website"

  • You’ll see a form where you can select your domain and paste your certificate details.

5. Paste Your Certificate Files

Now input the three required pieces:
Field Paste
Certificate (CRT) Paste the SSL certificate you received from your provider. Starts with ----- BEGIN CERTIFICATE-----
Private Key (KEY) Should already be auto-filled if you generated CSR in cPanel. Otherwise, paste it manually.
Certificate Authority Bundle (CABUNDLE) Paste the CA bundle/intermediate certificate (optional, but recommended for full trust chain).

5. Click “Install Certificate”

  • Once all fields are filled, click the “Install Certificate” button.
  • cPanel will show a success message if installation is successful.

7. Verify Installation

  • Visit your site using https://yourdomain.com.
  • Check for the padlock 🔒 in the address bar.