Here is an old RG blog post about preprints:

https://www.researchgate.net/blog/post/three-reasons-to-share-your-preprints

Concerning preprints and peer review, see these previous discussions:

https://www.researchgate.net/post/The-preprint-practice-an-enemy-of-the-double-blind-review-practice/1

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

See also:

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

Avoid pre prints. They have not been peer reviewed and you risk your information being stolen :)