How do I uninstall so I can reinstall logos 8?
Welcome, Anthony, to the forums.
This page has uninstalling instructions for Windows and a link to uninstalling instructions for Mac: https://wiki.logos.com/Uninstall_Logos
What is it that you are trying to fix? We might be able to help you without you having to reinstall everything.
There is no specific need to uninstall before installing Logos 8. Either run the installer, or just let the application update itself normally.