1. go to start, settings, network connections.
2. right click on ur connection. (Default: Local Area Network)
3. Click properties
4. Click on internet protocol (TCP/IP)
5. click on properties
6. now choose "Set up ur own IP"
7. now type in what you want, hit ok, and restart your computer,
This really isnt neccesary, for just incase you get an IP ban, its reccomended that you dont use a static IP.