Here is How to create a CSR (Certificate Signing Request) with OpenSSL.
Check "How to verify a certificate thru OCSP responder with Free tool OpenSSL" to see how to install OpenSSL.
You need a minimum requirement in order for creating CSR (Certificate Signing Request)
1. Common name;
2. Organization;
3. Department
4. City
5. State
6. Country
7. Key Size; 2048(recommended) or 4096.
Example
1. Common name; CSR_OpenSSL.ipbalance.com
2. Organization; WireTHINK
3. Department; Information Security and assurance
4. City; Happytown
5. State; CT
6. Country; us
7. Key Size; 2048(recommended) or 4096.