Canvas Planner modeler version 2.3.2342, 

  1. uninstall the existing version: Settings -> Control Panel -> Program & Features -> Uninstall 

  2. install the new version 3031
  3. upgrade to latest version 30** by using Server Update icon
  4. open each application in the Modeler. When you open each app, you will be prompted to Deploy the app to insure everything is upgraded to the latest
  5. after deploy, click on About button to check the version

Note: Uninstalling the existing version does not remove existing user applications. Uninstalling only removes the Sample app.