if you have the benefits from bitcoin? you can promote bitcoin in many ways.
-By explaining bitcoin to others, spread the word about bitcoin and take note you must learn more about bitcoin to do this.
-If you have skills in blogging, design, video and photo editing, web design, etc. Create something different out of your skills to promote bitcoin.
-If you have business establishment try to experiment to accept bitcoin currency.
if you have any idea how to promote bitcoins just share here.
In addition to the above mentioned ways, I think the most prominent and fast or the most used way of promoting bitcoin nowadays is through Social Media outlets like Facebook(but i heard they have banned ads about crypto), Twitter, Instagram, etc... This is especially true at the present since almost everyone is into social media.