The main idea is to get the content you need to remember neatly stored into your long term memory so that you can recall it later on.
Quizzing
Flash Cards
Making Graphic Organisers
Reading your notes
Highlighting your notes
Studying with music/TV on
Staying up late to study
This is not a matter of opinion. The majority of students choose the least effective methods for revision. If you don't believe me check out this explanation by one of the world's most well known cognitive scientists. https://www.nytimes.com/2023/04/20/opinion/studying-learning-students-teachers-school.html?unlocked_article_code=1.AU4.kURT.IRlH7ib0KDzB&smid=url-share
Flash Card Maker
I am recommending this tool because it is simple and doesn't require you to use your phone to quiz yourself. The more you can remove your phone from your study sessions the more likely you will stay on track.