Unwind the integrated USB cable from the back cover and plug it into an available USB port on your PC.
Once you've downloaded the driver, follow these steps to install it: Polycom Communicator C100s Windows 10 Driver
Polycom Communicator C100S is a legacy portable speakerphone originally designed for high-fidelity Skype calls. While the device was officially supported through getting it to work on Windows 10 often requires utilizing the OS's generic USB audio drivers rather than the original manufacturer software. HP Support Community Current Compatibility Status Official Support Unwind the integrated USB cable from the back