You can use this fully working demo 50 times without a license. If you want to use the viewer after this evaluation period, you must purchase a license. Download the 'Rubo Dicom Viewer 2.0', demo version: Demo Dicom Viewer (10.5 MB). Problems running the software as a user (or administrator) in Vista? The software must be set to run 'as administrator'. Please do the following: 1. Go to the installation folder. This is 'c:\Program Files\DicomViewerDemo' by default. 2. Right click 'DicomViewer.exe' and select 'Properties'. 3. Go to 'Compatibility' and 'Priviledge level' and check 'Run this program as an administrator'. The Dicom Viewer will now be run at administrator level each time. Do the same for the Dicom Parser. [Free Dicom Parser, including anonymizer]