Intel provides generic SST drivers, but Chromebooks often use custom audio routing configurations that generic drivers cannot interpret. This results in the dreaded "No Audio Output Device Installed" error in Windows.
Often, the Intel SST Bus Driver must be installed first, then the SST Audio Device , and finally the specific codec driver (like Realtek or Maxim).
To download a verified CoolStar SST Audio driver , the most reliable source is the official CoolStar Website