Upgrading to fully hosted

From DreamHost

To Upgrade your account to a fully hosted account, you first need to access your applications by clicking on "Manage Your Apps"

Then click on "Upgrade hosting"

Then all you have to do is click the "Upgrade" button, fill out the form,

and then you'll get notification when the process is complete! Then you can find more information on your capabilities and what you can install with a fully hosted account at the Dreamhost Wiki.