Since I started learning most of the people that helped me told me RTFM sometimes it was kind of rude but I got used to it. Most of the time I read official doc

Since I started learning most of the people that helped me told me RTFM sometimes it was kind of rude but I got used to it. Most of the time I read official docs, but if a project is very complex or not well documented I go with books, tutorials, videos, etc.