ArcGIS Desktop 10.1 is available to all UCAR staff of installation on any windows UCAR computer.  We ask that you register at http://www.ral.ucar.edu/projects/gis/internal/arcview_reg.php prior to installing the software.  Once you register you will be directed to the installation instructions page. If you have any questions about the upgrade installation please email gisSupport@ucar.edu.