The short answer is: However, if you want to play native DSD, use ASIO, or achieve bit-perfect playback above 96kHz on Windows, you will need the proper driver.
Fosi Audio Official Support Page
You can copy and paste the post below directly to Reddit, a blog, or a forum. One of the most common questions I see in the audiophile community is: "Where do I download drivers for my new Fosi Audio DAC?" fosi audio drivers