Greasy Fork is available in English.
在Instagram页面加入下载按钮与开启按钮，透过这些按钮可以下载或开启大头贴与贴文、限时动态、Highlight中的照片或影片
managed to solve it, if it's useful for someone
in line 11 and 123 you need to change getElementsByClassName
right arrow: getElementsByClassName('_9zm2');
left arrow: getElementsByClassName('_9zm0');
Hey, Shortcut Keys don't work. Can it be fixed? Thanks