The video editor will be in the bottom half of the app window.
You will find an editing roll of the entire video in the bottom half of the screen. You can left-click any moment on the video roll to jump here. The white, vertical playhead bar should be located at the exact moment where you want to cut. You can press the space bar on your keyboard to play and pause the video. Use the right and left arrow keys to move the playhead one frame forward or backward. You can find a full list of all the iMovie keyboard shortcuts on Apple’s official help page here: https://support. apple. com/kb/PH22830?locale=en_US.
After splitting, you can select one of the two parts, and delete it by pressing Delete on your keyboard.
This will automatically place the white, vertical line on this exact moment in the video clip.
You will see an editing roll of the whole video in the bottom half of the screen. Make sure to place the white, vertical playhead on the exact instant you want to split the clip.
