Btw, I found the old Anedio website can still be read through the Wayback Machine, including the latest 1.56 driver!
https://web.archive.org/web/20161203123004/http://www.anedio.com:80/index.php/audio/gandalf
Links are clickable, and under "data & manual" you'll find the link to the 1.56 driver .exe for windows 10.
https://web.archive.org/web/2016120...dio.com/downloads/ausbaudio_v1.56.0_Win10.exe
And here the installation instructions for windows 10:
https://web.archive.org/web/20161206045028/http://www.anedio.com/index.php/faq/faq#USB Audio Driver in Windows 10
"How to install the USB audio driver in Windows 10
Installing the USB audio driver in Windows 10 involves running the installer in the compatibility mode.
(1) Download
the latest driver installer.
(2) Right-click the installer's icon and choose Properties.
(3) In the Compatibility tab, check "Run this program in compatibility mode for:" and select Windows 7.
(4) Run the installer, ignore the warning, and click "Run Anyway."
(5) Follow the onscreen instruction."
Hope this is of help to some!