You need:
- Latest Bootcamp 6 Drivers for Windows 10
- If you are an advanced user, you can also sift through this file using Wordpad to find an even updated driver, but the above file in Step 1 will work as of 20181203.
- Use 7-Zip or Winrar to open the AppleBcUpdate.exe file.
- Head to BootCamp\Drivers\Apple in the file
- Run AppleODDInstaller64.exe and install the drivers.
- That’s it! Your DVD drive should now appear.
References:
http://osxdaily.com/2018/02/25/use-apple-superdrive-windows/
https://digiex.net/threads/apple-windows-10-bootcamp-6-drivers-download-applebcupdate-exe-april-1st-2016.14828/