Hi Trishla,
Check this documentation for Mendix Cloud Deployment!
https://docs.mendix.com/developerportal/deploy/mendix-cloud-deploy/
you have many options for cloud deployment. you can start by visiting cloud.mendix.com and start checking subscription options for mendix own private cloud.
Once you have this, then from within your studio pro itself you get an option to deploy to mendix node.
Suppose you end up choosing another cloud provider among many other options(e.g. IBM cloud, SIEMENS cloud etc.) you do the same procedure. You can for more details here: https://docs.mendix.com/developerportal/deploy/
All the best