Follow the below mentioned steps to create Certificate signing request from IIS 7.5 in your VPS:
- Select your Webserver -> open Server Certificate -> click on Create Certificate Request from the Actions pane.
- Enter the information according to your need and click on Next.
Note: Common name must be the same name of the domain or host on which you are going to implement the certificate.
- Select Cryptography Service Provider and bit length, click on Next.
- Save your request to a text file and send it to the Certificate Authority (CA) for issuing you a certificate.
- Click on Finish.