Unfortunately, we don’t support upgrades/downgrades at the moment. If required you can purchase a new certificate and install it on the same web server as the old certificate
An SSL certificate displays important information for verifying the owner of a website and encrypting web traffic with SSL/TLS, including the public key, the issuer of the certificate, and the associated subdomains.
Securing your domain and website with SSL certificate and enabling HTTPS is most critical since Google Chrome & all major browsers started showing HTTP sites as insecure since 2018. Secure padlock represents a symbol of trust, privacy, and search engines strictly rank HTTPS enabled sites higher than non-HTTPS sites.