Hi Clifford,
If you are trying to search for a Logitech camera controller, you may follow these steps:
a. Go to Windows Store.
b. Swipe from the edge right side of the screen towards the center of the screen to bring up the Charms bar and click on Search.
c. Type “Logitech Camera controller” without quotes. You will see the app listed on the left side of the screen.
d. Click on it and install the app.
You may refer to the link for reference:
Logitech Camera Controller
To know more about using the Logitech Camera Controller app in Windows 8, refer to the article:
Let us know if you need further assistance.