1. Download IIS certificate from Godaddy. and then covert to pfx
  2. Download and install OpenSSL for Windows from here
  3. Key file is available at \\192.168.2.29\RSA-Share\IT\SSL
  4. Place the .crt file & .key file into C:\Program Files\OpenSSL-Win64\bin.
  5. Change directory to  OpenSSL installed directory from command prompt.

  6. Run the comman , set RANDFILE=C:\Program Files\OpenSSL-Win64\bin\<RANDOMFILENAME>.rnd

  7.  

    set OPENSSL_CONF=C:\OpenSSL-Win64\bin\openssl.cfg

     

  8. openssl pkcs12 -export -out certificate.pfx -inkey privateKey.key -in certificate.crt ( rename the file name with actual)

  9. Open IIS manager --> server certificates--> Import certificate and select pfx

  10. Edit site binding and select new certificate and restart the site.