The most reliable place to get the "exclusive" latest version is the official BYHX WeChat account or their official server. Since their main website is sometimes offline or hard to read, most users follow this path:
For a high-level overview of the control system, refer to the Beijing BYHX Printer Control System Guide . byhx printer manager download exclusive
If you cannot use WeChat, try accessing their mobile/download portal directly. These URLs change occasionally, but the standard path is: The most reliable place to get the "exclusive"