If you are able to create a certificate with the www domain, then you are able to create a certificate with both domain names.
Tls.1.2: Check
there is a tool IISCrypto. Use that to enable Tls.1.2.
If you are able to create a certificate with the www domain, then you are able to create a certificate with both domain names.
Tls.1.2: Check
there is a tool IISCrypto. Use that to enable Tls.1.2.