On PCs
Start file manager by pressing ALT and E
Find the installation folder. By default this is c:\writeitnow6
Double click on uninstall.exe
On Macs
Run Finder
Find the /Applications folder
Find the folder where you installed WriteItNow. By default this is /Applications/WriteItNow6
In the folder find the uninstall program and double click on this to run it
Follow the prompts.