A similarity index between 15-20% is often considered a good range if the matches are properly cited quotes or common phrases.
If you truly need a USB-based tool that runs without installation, consider:
If you need to check your work before submitting it to your professor, consider these legitimate tools: Turnitin Draft Coach
Downloads labeled "Turnitin Portable" or "Turnitin Crack" on third-party sites like Kuyhaa are frequently bundled with malware, trojans, or adware . Running these can compromise your computer's security. University Center for Teaching and Learning 3. Account Privacy
Many students fear Turnitin because they misunderstand how it works. They think:
