http://www.zwsoft.com/forum/viewthread.php?tid=2603 After Windows 8 is released, and it seems that it is much much stable with several big patches, if you are going to use ZW3D 2012 with the dongle, but the dongle is not well recognized in Windows 8, please download the following zip and read the instruction to enable your dongle working in Windows 8. By the way, if you are using ZW3D 2013, you don't need this special file [attach]765[/attach] colinchuang2008 2013-02-08 10:05:01