If you submit a draft to a public class that is set to a "repository" mode, your paper is saved to Turnitin's permanent database. When you later submit the final version to your actual school account, Turnitin will flag it as 100% plagiarized against your own previous draft. Privacy & Data Security:
Finally, the pursuit of "free Turnitin keys" reflects a misunderstanding of the tool’s purpose. Turnitin is not a punitive device but an educational one. Its value lies in teaching students to paraphrase, cite, and synthesize sources ethically. By seeking backdoor access, students bypass this learning opportunity and risk developing habits that could harm their academic and professional careers.