For Mac users
Mac software download link
For Windows users
Windows software download link
Firmware Upgrade(For Windows)
If you can not use software in Windows system, please try with the firmware upgrade.
First of all, please make sure that your keyboard is in wired mode, that means the EC66 keyboard needs to connect the pc via USB type-c cable.
Press FN+T to make sure that the keyboard is in wired mode;
Click and open the Eclipse66 V200(ID 493)Firmware Upgrade.exe
Click the YC FW Upgrade
After the firmware upgrade, we could use the software via wired mode, the keyboard has the board memory, which means that you could save the configuration and use it in wireless mode without the software.
For Windows users: