Please note that ResearchGate is neither a journal nor a publisher, you cannot "publish" 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 It is a platform for papers published in journals, or to present unpublished texts, data etc.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and this this help page for instructions how to add published or unpublished research to your ResearchGate profile: https://help.researchgate.net/hc/en-us/articles/14293005132305-How-to-add-research. But when you present previously unpublished research results here, this will not be regarded a publication.

You can publish your research findings on researchgate the same method you updated additional articles, there is a place for every need

To publish your research findings on ResearchGate, navigate to your profile page and click the "Add new" button. Then, select "Published research" and choose the appropriate publication type. Fill in the details of your research, including title, authors, and publication date, and upload the full text if you have the rights to do so. You can also add preprints or other types of research using the same "Add new" button.