To enable the SSL facility on your website using IIS 5.x+, a Digi-SSL™ certificate is necessary. To obtain your Digi-SSL™ certificate, a Certificate Signing Request [CSR] is required. A CSR is your server's unique "fingerprint" and is generated from your server.
The next section will explain in detail how to generate a CSR.
1.1 Generating a Certificate Signing Request (CSR) using Microsoft IIS 5.x+
To generate keys (private and public) and Certificate Signing Request:
Go to Windows Administrative Tools.