In this video we will see how to trim video using lightworks video editor

click on create a new project give it a suitable name and click on create.
Add / Import Videos
Double click on it to play it.
Drag and drop the video on timeline to begin editing
Decide where you want to trim the video now to trim the video first to trim it from end
Take mouse cursor on the left edge of the clip and when it shows brackets drag it to the left side till you want to trim the clip.
Same way you can trim video from beginning of the clip just take the mouse cursor at the beginning and when it shows brackets drag it on the right side till you want to trim the clip