If you have the possibility to add a subdomain to your Plesk, follow the instructions below:
1. Log into myTophost Panel and select Plesk Login in order to connect to the Plesk of the plan that you are interested in.
2. In the tab Websites & Domains, click on Add subdomain.
3. In the tab Add a subdomain, fill in the following fields:
- Subdomain name - Enter the name of the subdomain (1)
- Parent Domain - Enter the domain that will be above the subdomain (2)
- Document Root - Enter the root folder of the subdomain where you will upload the subdomain files and click on ΟΚ (3)
Related articles:
How can I create a new domain alias in PLesk Onyx?
How can I create a new domain in Plesk Onyx?