: The user runs a file (often named R2RCA.cer ) and imports it into the Trusted Root Certification Authorities store.

Run the certificate installer included in the folder.

OpenSSL and applications that use custom CA bundles

Organizational safeguards

Modern operating systems like Windows rely on a system of trust. If a piece of software is signed by a developer using a standard Code Signing Certificate, Windows recognizes the certificate authority (like DigiCert or Symantec) and allows the software to run.