Here you can download the Antelope Audio Control Panel software, Driver, and user manuals.
Read about OS Compatibility here
Drivers:
Windows 10
Eclipse 384 ASIO driver for PC (v. 2.23.0, Feb 9, 2015)
macOS 10.11/12/13
Unified Driver Installer 3.12 for macOS (Sep 27, 2016)
Control panels:
Windows 10
Eclipse 384 Control Panel for PC (v. 2.04, Feb 09, 2015)
macOS 10.11/12/13
Eclipse 384 Control Panel for macOS (v. 2.07, Jan 9, 2014)