How to add a Domain in Plesk Server?
Step1. Login to the Plesk Panel
Step2. Click “Add Domain” under Websites & Domains.
Step3. Click “Upload files“
Step4. Please wait to finish the system configuration.
Step5. Now the domain is added to the server
How to Create a Subdomain in Plesk Panel?
Step1. Click “Add Subdomain”
Step2. Please add the subdomain name that you want to create the subdomain
Step3. The system is creating the subdomain and please wait to finish
Step4. Now, the creating subdomain process is finished. You can use the subdomain if you have finished the DNS record pointing.