Open the Start menu and then open Control Panel:
Opened Start Button menu
Click on Network and Internet

Network and Internet Next, open the Network and Sharing Center: Network and Sharing Center Click on Set up a connection or network:

Set up a connection

When asked how you want to connect, click on Broadband (PPPoE):

PPPOE

Enter the user name and password exactly as it was given to you. Click Remember this password to have the password saved for you. Username and password here
Click Next. On the next screen click Connect and you will now be able to use the DSL connection.