Release Notes
http://files.zwsoft.com/en/Viewer/ZWCAD_Viewer_Release_Notes.pdf
Installation Package
English Win32:
http://download2.zwsoft.com/en/Viewer/ZWCAD_Viewer_ENU_Win_32bit.exe
English Win64:
http://download2.zwsoft.com/en/Viewer/ZWCAD_Viewer_ENU_Win_64bit.exe