Adding a new Smart VPS can be done anytime from within your Dashboard.

To Add a New SmartVPS:

1. Log in to your Dashboard
2. Navigate to VPS HOSTING
   
3. Click on Add a New SmartVPS (green button)
   
4. Enter a Host Name
   
5. Set Resources
   
6. Spawn VPS
   

Done!

Note - this will take a few minutes to complete. 

See also https://support.brownrice.com/content/2/202/en/how-do-i-administer-my-smartvps.html