Free Sectigo PositiveSSL Trial SSL certificate (formerly Comodo PositiveSSL Trial) is valid for 90 days since it has been generated. This certificate is identical to the fully paid counterpart: Sectigo PositiveSSL (the certificate is available at: Sectigo PositiveSSL). It also means that this free SSL certificate is recognized and supported by 99.9% of web browsers and mobile devices. It is verified and issued within minutes of ordering.
Due to the fact that it is a full-fledged SSL certificate, visitors to the website secured with such an SSL certificate will not receive any warnings about the untrusted certificate or any other information that would indicate that a free SSL certificate is installed on the website.