Moving a Certificate from Apache to a Windows IIS Server

1. Back up your certificate: To import your certificate to Windows, you will first need to combine your primary certificate, Intermediate (CA) Certificate, and your private key file into a .pfx type backup file. To do this, use the following command:
   openssl pkcs12 -export -out DigiCertBackup.pfx -inkey your_private_key_file.txt -in your_domain_name.crt -certfile DigiCertCA.crt This creates a backup of your primary certificate called DigiCertBackup.pfx. Copy this file to your IIS Server.
   
2. Once the .pfx file is copied to your Windows server, follow these instructions to import your PFX file on Windows.