If you see a prompt, type your administrator account password, and then click Install Helper. In the Norton installer window, click Uninstall.
When you see a prompt, type your administrator account password, and then click OK. In the Applications folder, select the Norton application, and then drag and drop it to the Trash. In the Terminal window, press return to open the Applications folder in Finder. If you have macOS 10.14.x and earlier, OR if you already uninstalled your Norton product on your macOS 10.15.x or later, go to step 13. If you have not uninstalled Norton application on your macOS 10.15.x or later, a message appears in the Terminal window that prompts to drag and drop Norton from Applications folder to Trash. To run this tool, you must be logged on with an Administrator account and a non-blank password.