To set up or edit the FTP settings in Dreamweaver, follow the steps below:

1. Choose Site > Manage Sites.
2. In the Manage Sites dialog box, either click the New button or select your existing site definition and click the Edit button.
3. In the Site Definition dialog box, you will see two tabs: Basic and Advanced. For the purposes of this example we will focus on the 'Advanced' tab, since it includes more FTP options than the Basic tab.
4. From the Advanced tab, choose the Remote Info category. It should look like this:
   
5. In the Access drop-down menu, select FTP, once you have determined that FTP is your best option.
6. In the FTP host field, enter the host name of the FTP host to which you upload files for your website. Your FTP host is the full Internet name of a computer system, such as ftp.yourdomain.com. Enter the full host name without any additional text.
7. In the Host directory field, please leave completely blank.
8. In the Login and Password fields, enter the FTP Username and password that you use to connect to the FTP server.
9. Click the Test button to test your FTP host, host directory, login name and password.
10. Dreamweaver saves your password by default. Deselect the Save checkbox if you prefer that Dreamweaver prompt you for a password each time you connect to the remote server.
11. Select the Use passive FTP checkbox.
12. Click 'OK'.