See these previous discussions:

https://www.researchgate.net/post/How_do_you_increase_the_visibility_of_published_article

https://www.researchgate.net/post/How_can_I_make_a_previously_published_article_book_or_book_chapter_more_visible_and_accessible2

https://www.researchgate.net/post/How_to_increase_the_visibility_of_our_research_articles

See also:

https://www.researchgate.net/post/How_to_increase_the_citations_to_my_published_research_papers

https://www.researchgate.net/post/How_do_I_increase_the_number_of_citations_for_my_paper

https://www.researchgate.net/post/How_I_can_increase_cite_my_articles

https://www.researchgate.net/post/How-to-increase-my-citations

https://www.researchgate.net/post/How_to_increase_the_citations_of_your_sole-author_or_multiple-authors_papers_published_at_the_Renown_Journal_in_the_field_of_your_research

https://www.researchgate.net/post/How_the_citations_can_be_improved_of_research_papers

https://www.researchgate.net/post/What_are_the_methods_to_increase_the_number_of_citations_of_my_articles

https://www.researchgate.net/post/How_to_increase_citation_of_article

https://www.researchgate.net/post/How_can_my_article_citations_increase_from_zero_to_hero

https://www.researchgate.net/post/How_Citation_can_be_increased_in_view_of_h-Statistics_for_a_Scholarly_article

https://www.researchgate.net/post/How_to_increase_citation_of_an_article

https://www.researchgate.net/post/How_important_are_citations_Are_they_overrated

https://www.researchgate.net/post/The_power_of_keywords_and_audience-centric_papers_Reflections_and_thoughts_on_number_of_citations_publishing_and_highly-impacted_journals

https://www.researchgate.net/post/Funny_Article_Titles_to_increase_citation

Share on social media: Share links to your publications on social media platforms like Twitter, Facebook, and LinkedIn. This can help to increase the visibility of your work and reach a wider audience.

Use research networks: Join research networks, such as ResearchGate, Academia.edu, or Mendeley, to share and promote your publications. These platforms can help to connect you with other researchers in your field and increase the visibility of your work.

Attend conferences: Attend conferences and workshops in your field to present your work and connect with other researchers. Conferences can also provide an opportunity to connect and network with researchers.

Use metrics: Use metrics to track the impact of your work, such as the number of downloads, citations, and Altmetric score. These metrics can help you understand the reach of your work and make it more visible.

Media outreach: Reach out to science journalists and writers to get your research featured in news articles and blog posts. This can help to increase visibility and public engagement with your work.

Creating a personal website or online presence: Creating a website or online presence can help you showcase your research and publications and make it easy for other researchers and general public to find your work

Collaborate: Collaborate with other researchers and institutions on research projects, this can help to increase the visibility and impact of your work

Do excellent research and publish in the best journals. That's it :)