Please note that ResearchGate is not a publisher, you cannot publish a paper here. It is a platform for papers published in journals, or to present unpublished texts, data etc. See also "Is ResearchGate a publisher?" in https://help.researchgate.net/hc/en-us/articles/14292596164753. And see this help page ("How to add research") for instructions how to add published or unpublished research to ResearchGate: https://help.researchgate.net/hc/en-us/articles/14293005132305

Hi Zhanara Berdygozhina

ResearchGate does not publish articles. You would have to publish the article in any of the Publishers, such as Elsevier, MDPI, Hindawi, Springer, Wiley.

Once the article is published in any of these, it will be automatically added into your RG profile.

Thanks,