Login
1. Log in to the Plesk control panel.
2. In the menu on the left, click on Domains.
3. Select the domain for which you want to install an SSL certificate.
4. Click on Let's Encrypt.
5. Enter the email address to which you will receive a reminder about the need to reissue the SSL certificate.
6. If you also need to protect the alias www and the web interface of the email client, check the boxes “Protect the subdomain with the prefix “www” for this domain and each selected alias” and “Protect webmail on this domain” and click on Install
7. Go to “Hosting Settings” and select an available SSL certificate that has Let’s Encrypt in its name
8. Click OK
9. Set up a redirect on your website to https://yourdomain
