Question: how do i renew an expired ssl certificate?
Answer: Step 1: Generate CSR. To renew an SSL/TLS certificate, you'll need to generate a new CSR. ... 
Step 2: Sign in to your account. Sign in to your CertCentral account.
Step 3: Fill out the renewal form. ... 
Step 4: DigiCert issues the SSL/TLS certificate. ... 
Step 5: Install your renewed SSL/TLS certificate.