you can find the drivers for philips products by going to this link:
Philips Contact & Support
your country & language. on the next page, type in the model of
your webmcam then click on the webcam model for the country where you
bought the product (if you have a choice).
once you get to the page with information about the cam, click on the 'Software and drivers' link in the lefthand menu.
be sure you pick the rigght driver for your country, language and operating system.
i hope that helps! let me know if you have any questions.