A preprint does not replace a publication, it is always in addition to a later publication. See also these discussions:

https://www.researchgate.net/post/The_importance_and_perception_of_pre-print_servers_eg_Rxiv_in_different_disciplines/1

https://www.researchgate.net/post/What_is_your_understanding_of_the_term_preprint/1

https://www.researchgate.net/post/How-preprints-are-different-from-other-publications/1

https://www.researchgate.net/post/Preprint_for_publication/1

https://www.researchgate.net/post/What_is_a_Preprint/1

https://www.researchgate.net/post/benefits_and_usage_of_preprintsorg_for_authors/1

https://www.researchgate.net/post/Whether_PREPRINT_Article_can_be_considered_as_Scholarly_Article/1

https://www.researchgate.net/post/Is-it-always-advisable-to-upload-a-Preprint/1

https://www.researchgate.net/post/What-are-the-disadvantages-of-preprints-upload/1

https://www.researchgate.net/post/When_is_the_appropriate_moment_to_upload_a_preprint/1

https://www.researchgate.net/post/Is_Preprint_of_research_articles_safe/1

Dear Dr. Wolfgang R. Dick, many thanks for your contribution.

A preprint is not peer reviewed and so does not have the esteem of a published paper. And also, you are exposing your work to plagiarism. Wait for proper publication :)

Preprint is no peer-reviewed publication - maybe on the way to one, maybe not