You can perform a clean install by following these instructions
STEP 1: Uninstall the software as usual via Control Panel or the Start Menu
STEP 2: When asked if you want to delete all saved data it is crucial to click YES.
STEP 3: After uninstalling, reinstall the software.
The latest versions of all our software can always be found at the links below:
If you followed the steps correctly then you have a brand new installation of the software, the same as if you just installed it for the first time.