A network name allows your computer to be identified in a network. Separate devices have separate names and are allotted separate addresses so that they can easily be identified.
In this tutorial, we will teach you how to change network name in windows 7.

Once you are done with setting up a wireless network, you must have been prompted to give the new network a name. If you skipped that step, the wireless network is automatically given a generic name. You can go ahead and personalize your computer a bit more by changing the name of the wireless network.
Follow the step by step tutorial and learn how to change the network name.