Choose Start->Programs->RapidTyping and click Uninstall shortcut,
Choose Start->Control Panel->Programs and Features, then right-click RapidTyping in the list and choose Uninstall/Change from the shortcut menu.
By default, the Uninstaller will remove all RapidTyping files, except folders with lessons and user accounts. If you want to remove them, check the Remove folder with lessons and/or Remove user accounts check-boxes, and click Next button.
Manually delete the folder containing RapidTyping's files and remove desktop shortcuts to them (if any).