1. Login into Plesk Panel.
2. Click on the "Subscriptions" button of the left side of the screen as marked in the image.
3. Click on the "Add subscription" as marked in the image.
4. Enter all the detail as marked in the image.
5. Click "Ok" to save.
6. Select the permissions of the service plan as marked in the image.
7. Click "Update & Lock" to save.
8. Subscriptions have created successfully as marked in the image.
