If you would like to download a copy of CRT, select the
download site listed below. The executable you download is a
executable. Run the executable to install the software on your computer.
If you have not purchased a version 4.1 upgrade license and
are upgrading from a license purchased before August 1, 2002, we recommend
that you install the new release to a
Please see the Upgrades page for more information on upgrade prices and ordering.
Here you can control cookies using the checkboxes below. Some cookies are essential for the use of our website and cannot be disabled. Others provide a convenience to the user and, if disabled, may reduce the ease of use of our site. Finally, some cookies provide anonymous analytic tracking data that help us provide the user with a richer browsing experience. You can elect to disable these cookies as well.