Do not use random download sites. Go to the official Hauppauge software page: https://www.hauppauge.com/pages/support/support_wintv8.html
Always ensure you comply with software licensing agreements and use products in accordance with their terms of service. wintv 8.5 activation code
Printed on the label of your WinTV v8 or v8.5 CD. Activation Requirements Do not use random download sites