Open Dreamweaver...
Click on Site --> New Site

Click on the Category "Local Info"

Fill in the Site Name, Local Root Folder and HTTP address.

Local Root Folder is the folder that contains your websites on your Computer.

Click on the Category "Remote Info"

Fill in the FTP Host which can be ftp.yourdomainname.com or web2.helpinghost.com

Fill in the Host Directory for example: domainname.com/

Last fill in the Login/Password you selected during signup.

Click on OK.

Open one of you pages and click on
Site-->put