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.
