How to assign IP address to the computer how to set up computer IP?

XP System designation IP Address:                

The first step : Right click on the desktop, " Network Places ", select " Properties "

The second step : Right click on " local connection ", select " Properties "

Step three : Double-click Internet Protocol ( TCP/IP )

Fourth Step : Select " use the following IP address ", " use the following DNS Server address "OK

Windows 7 System designation IP Address:

Step One: Click on the Network icon in the lower right corner of the desktop to open the network and Sharing Center

Step two : Click " Change adapter Settings "

Step three : Right click on " local connection " to select " Properties "

Fourth Step : Double-click Internet protocol version 4 ( TCP/IP )

Fifth Step : Select " use the following IP address ", " use the following DNS Server address ", OK