ZW3D UI Designer download does not work

Hi,
where can I download the ZW3D Ui Designer?
The download link form Zwsoft ZW3D_API_introduction.pdf does not work: “http://dl.zwsoft.com/zw3d/PC/ZW3D/Tech/API/ZW3D-UI-Designer.rar

HI caddie:

Due to copyright issues

Now they officially no longer provide this tool.

Which tool I can use instead for UI design?