XBOX Controller driver (XBCD) can be found in download section here !

1.Connect your XBOX controller to the PC.Windows will propt you to install new hardware,but we first need to install XBCD so click "cancel"

Windows XP Installation

2.  Run the file you downloaded in Step 1.  The XBCD installation will inform you that if  the installation is not an upgrade, you will need to uninstall the controller in Device Manager.  Click "Yes" to continue the installation.

3.  Click "Next" through the rest of the screens in the XBCD installation.  At the end, you will need to unplug the gamepad and plug it back in.

4.  Windows should find the device and should prompt you to install the "XBCD XBox Gamepad".  Select "Install the software automatically" and click "Next."

5.  Since the driver is not digitally signed, Windows might ask you if you want to continue with the installation.  Click "Continue Anyway."

6.  Once the installation is done, click "Finish."  Windows will also prompt you to install an "HID-compliant game controller." Select "Install the software automatically" and click "Next."

7.  Once the installation is done, click "Finish."