Greasy Fork is available in English.
Добавьте кнопки для загрузки или открытия медиа
< Обсуждения Загрузчик Instagram
See pootz10's post, there he shows how to fix this in Firefox
Doesn't chang anything for me but even before it seems to do not work only on storys of private profiles.
Cross-Origin Policy of Firefox is blocking Story and Highlight downloads. Couldn't find a way to set exceptions to Firefox for Instagram yet :(