For those that are newbies in the Windows environment, here is how to renew an IP address in Windows.
1. Open the Command Prompt
Click Start -> Run -> type CMD
2. In the Command Prompt, type “ipconfig /release” and hit enter. This will release your current IP address.
3. Next, type in “ipconfig /renew” and hit enter. This will renew your IP address from the DHCP server.
4. Type, “ipconfig /all” to see if a new IP address has been assigned to you or not. If your network connection is setup correctly, a new IP address will be assigned to your machine.