In this video guide, you’ll learn how to renew your single-domain certificate using the ‘Namecheap SSL’ cPanel plugin.
See more details about the ‘Namecheap SSL’ cPanel plugin in the following article: https://www.namecheap.com/support/knowledgebase/article.aspx/9387/2218/what-is-namecheap-ssl-and-how-do-i-use-it/
About the lifetime of multi-year certificates and their reissue: https://www.namecheap.com/support/knowledgebase/article.aspx/9511/38/how-25year-ssl-certificates-work/
Feel free to use this tool to check the SSL installation: https://decoder.link/
How to use the Decoder.link tool to check your SSL installation: https://www.namecheap.com/support/knowledgebase/article.aspx/10557/38/decoderlink-user-guide/#ssl_checker