On StackExchange I found two solutions. The first, which was the recommended, did not work. The second did work, and is simple:
\documentclass{article} \usepackage[utf8]{inputenc} \usepackage[greek,english]{babel} \usepackage{alphabeta} \begin{document} ???????? ?? ?????????????? ?????????? ?????? ????????????????, but this one is in english \end{document}