Have a look at the drivers listed here
and start with Bison, then Suyin, then Chicony. The Bison unit (If listed) seems to be the most widely used.
Rather than simply run the installer from within it's package, use WinRaR or similar to extract the files from within the package. Run setup.exe from the root of the extracted folder, follow the prompts and reboot when asked. Aclue to a successful installation may be the camera's LED briefly illuminating during boot.
After reboting, return to the folder and have a look for another setup.exe file within the nested AP
folder. Run that to install the associated Acer Crystal Eye freestanding camera software.