http://www.zwsoft.com/forum/viewthread.php?tid=1119 I tested. Everything is ok. And don't forget download the correct 64bit USB driver for your dongle. zw_admin 2008-05-06 12:43:46 http://www.zwsoft.com/forum/viewthread.php?tid=1119&pid=11068 Cantt find the 64bit USB driver link for download. where is it? Thanks. hbusso 2008-08-29 23:01:36 http://www.zwsoft.com/forum/viewthread.php?tid=1119&pid=10774 OK Pavel, Thanks. zw_admin 2008-05-12 12:35:58 http://www.zwsoft.com/forum/viewthread.php?tid=1119&pid=10720 Hi, Id like to know if ZwCAD runs ok on Windows XP 64. Did anybody test it? Thanx zw_admin 2008-05-06 09:55:30