How to get the clip to the timeline

once you set your in and out points, what are next steps

Drag from the Preview window to the timeline.

If you want to save the clip to the playlist first, make sure the ‘Source’ tab is selected, open the Playlist panel then press the + button. From the playlist you can then drag to the timeline.

Can you walk me through from here, I can’t seem to get anything out of the videos.

Have you seen this video?

My best advice if my previous post makes no sense is to spend some relaxing time going through basic Shotcut tutorials. Time spend doing so is time saved later.
https://www.youtube.com/results?search_query=shotcut+tutorials+2017