Plesk - Adding Sub-Domain
The process of Adding Sub-domain.
Step 1 - Log in to your Plesk control panel.
Step 2 - Go to the “Websites & Domains” tab and choose which domain you’d like to secure.
Step 3 - Click on Domain name which you want.
Step 4 - Click on Domain name for subscription manager.
Step 5 - Click on Add subdomain.
Step 6 - Add subdomain (demo) name which you want.
Step 7 - After completing this section click the ‘OK’ button.