In order to connect to my instance in need to set up TLS/SSL support. I need to buy a SSL certificate.
Hi Erwin,
You can connect to your MongoDB Atlas instance (TLS/SSL enabled by default) by following guide: Connect to a Cluster.
See also MongoDB Atlas: Security Features and Setup
If you have further question about connecting to MongoDB Atlas, please open a private ticket on MongoDB Atlas Support page, (while logged in Atlas cluster page, follow the ‘Support’ link on the bottom left hand corner).
Regards,
Wan.