The current video presents a brief How to use Stylo, a WYSIWYM (What You See Is What You Mean) text editor for writing and editing scientific articles in the social sciences and humanities. Stylo is available online for free at this address: https://stylo.huma-num.fr Stylo is designed by the Canada Research Chair on Digital textualities of the Université de Montréal, and the company PiNinja, with the support of Érudit, and Huma-Num.