CAST does not support the upgrade of CAST Architecture Checker from any previous release. Therefore, CAST recommends uninstalling the previous release of CAST Architecture Checker and then installing the new release from scratch.
Get the installation media
You can obtain CAST Architecture Checker from CAST Extend:
A ZIP file will be downloaded - unpack this ZIP file and proceed as described below.
Double click the executable file. Click Yes, when prompted to allow the installation.