For minor release upgrades (ie: 3.1 to 3.2 ), you can simply download and install the new version. It will replace the version on your computer and preserve your current configuration. NoticeWare does not charge a upgrade fee for minor releases.
For minor major upgrades (ie: 2.x to 3.x ), you can simply download and install the new version. It will replace the version on your computer and preserve your current configuration. NoticeWare does charge a upgrade fee for major releases. If you have not yet purchased a new licence, you will have 30 days to try the software.