Check you hardware key before downloading the latest version of the Dicom Viewer and read the following instructions: Upgrading HASP drivers. Latest version of the Dicom Viewer 32bit: 2.0 build 6541 Download the latest version of the Dicom Viewer with the old HASP drivers here (15.2 MB). 32bit systems only. Latest version of the Dicom Viewer x64: 2.0 build 6604 Check your version in the menu of the viewer 'Help' and 'About'. Download the Rubo Dicom Viewer x64: Dicom Viewer (31.1 MB). Hardware key is required to operate. Click here to view changes since the first release of 'Dicom Viewer 2.0', build 2210 Please view the following PDF documents for installation instructions: Single license installation HASP network/floating license installation Rubo floating license installation Upgrading old HASP drivers [Free Dicom Parser]