Use google and put the word Tutorials in your search. If you decide to learn a specific title then google with Title Tutorials.
The biggest issue I see folk run into is the time you will invest. Or expecting a tutorial to fit in one reply on a forum.
Finally there are classes at many junior colleges on this area. Worth taking.
Jeff Zadoks ask all guys,
I have no knowledge about the video editor software.I want some tips about the video editor software.