This method works on Windows 7, XP, Vista, 98.
Step 1. Click on Start and select Run.
Step. 2 Type cmd then click OK.
Step. 3 From the Command Prompt, enter ipconfig. It will return your IP address,
subnet mask, and default gateway.
Step. 4 Type exit to close the command prompt.
Note: Please be careful, if you are behind a router this is not you real IP address. In this case you can access a website link this ( http://www.ip-adress.com/ ) to find you IP address.