Optionally, configure the existing Central proxy to allow for HTTP connections also.
Head over the MMC to view the certificates, and add the Certificates snap in for local computer as well as current user.
Pick the certificate you inserted, or the one Qlik created when starting up. For simplicity, I used the one Qlik created. Open the certificate, and copy the thumbprint text, and save it. It would be used down the line.
Export the certificate, with all keys.
Place the exported certificate in a separate folder.
Execute the below commands in a command prompt (in the folder).