You don't need to have all the tools in the world when you have no idea of the needs of the audience or when you haven't got the content to promote and update. For that, here is a suggestion: organize a basic marketing strategy first.Who do you want to reach? What are the social media of you would like to use? What content should you promote? For a relevant social media strategy, you may contact a professional. But, here is a free tip: you can create a calendar for your work. Publishing without a track of the work done/to perform is not the best solution.