To add track pad support for Windows 7 you must first install trackpad++. The link to instructions here. Remember that to install trackpad++ your much first install power plan assistant as mentioned in the instructions. Trackpad++ adds many features to the tack pad but it puts windows in test mode because the driver is unsigned. You can get out of testmode but trackpad++ will fail when windows reboots so it's best to uninstall trackpad++ and power plan assistant. After the track pad should be working and able to click.