Please feel free to rephrase or provide more details about your topic, and I'll do my best to assist you!
To update/upgrade your existing version of WizTree, simply download and run the installer at the top of this page - you don't need to uninstall the older version first. If you're using the portable version, download the portable zip file above and unzip over your old WizTree files.
Please feel free to rephrase or provide more details about your topic, and I'll do my best to assist you!