Use Device Manager by right-clicking "My Computer",go to Hardwares tab, then select appropriate device, and lastly click the appropriate button to update the driver for that device. (Just follow the wizard instruction to complete the installation)
The following files are found inside the driver download file.
|Broadcom LAN wired WinXP/IA32/b44win.cat||17.8 KB||30 Jan 2007|
|Broadcom LAN wired WinXP/IA32/b44win.inf||39.9 KB||30 Jan 2007|
|Broadcom LAN wired WinXP/IA32/bcm4sbxp.sys||45.6 KB||30 Jan 2007|