I don't know what to do and I want to play with my friends ..

thakes to the helpers :)

Hmpf. Getting online with WWP is a bit tricky.
First of all download and install the patch (http://wwp.team17.com).
Now, you need to know your IP address in order to host. Just click on http://img204.imageshack.us/img204/5008/taskiconls8.png at the bottom right of your screen and move to the 'Details' tab. Your IP will be displayed under the 'Client IP address'. Write that down somewhere, run WWP, click on this (http://img213.imageshack.us/img213/3145/wormphonezs5.png) window and get in to the Configuration screen.
Then, type your IP in the 'Your I.P. address' and go back to the previous menu.
Click on the big picture in here (http://img216.imageshack.us/img216/7251/configvo8.png) and have fun.

Click on the big picture in here (http://img216.imageshack.us/img216/7251/configvo8.png) and have fun.

Actually, that's all you need to do to get online.

If you need to patch your game, it will tell you before you reach WormNet.

If you plan to host games, follow the dozens of tutorials already posted on this forum.