If you're using Twine in a web browser, there's of course nothing to uninstall. If you'd like, you can delete your browser's storage for twinery.org to remove your stories.
If you're using Twine on a computer, how you uninstall varies by the platform you're using.
- On Linux, delete the directory containing Twine, or use your package manager to uninstall it.
- On macOS, delete the Twine app from your Applications folder.
- On Windows, right-click the Twine entry in your Start menu and choose Uninstall.