As you probably already know, the IP is the identification number for your PC on the Internet. Thus you can identify and locate any PC connected to the web, as it is a unique and exclusive number.
FreshIP is a small program, that installs in the Windows taskbar. From FreshIP you can automatically change the IP you have for another. You just have to click on the minimized FreshIP icon and it will establish a new IP for your PC while you browse the Internet.
A simple but practical tool to change the IP any time you want.