How to Change IP Address Completely

How to Change IP Address Way 1:

It is easy to change your ip address without using proxy server ,softwares.


Open Command Prompt

Type ipconfig /release just like that, and hit enter
Type "exit" and leave the prompt
Right-click on "Network
Places" or "My Network Places" on your Control Panel.
Click on "properties"
You should now be on a screen with something titled "Local Area Connection", or something close to that,
and, if you have a network hooked up, all of your other networks.
Right click on "Local Area Connection" and
click "properties"
Double-click on the "Internet Protocol (TCP/IP)" from the list under
the "General" tab
Click on "Use the following IP address" under the "General" tab
Create an IP address (It
doesn't matter what it is.
Press "Tab" and it should automatically fill in the "Subnet Mask"
section with default numbers.
Hit the "Ok" button here
Hit the "Ok" button again
You should now be back
to the "Local Area
Connection" screen.
Right-click back on
"Local Area Connection"
and go to properties
again.
Go back to the "TCP/IP"
settings
This time, select "Obtain
an IP address automatically"
Hit "Ok" Hit "Ok" again
You now have a new IP
address
This will change your dynamic ip only not your ISP/IP Address.

How to Change IP Address Way 2:

Use ultrasurf to hide your ip completely.
http://ultrasurf.us