This article explains how to use the Photos app to trim videos in Windows 10. We also recommend other free software if you need an advanced video trimmer.
How to Crop Videos in Windows 10 Video Editor | Free
The Photos app is your best option if you’re not interested in downloading anything new. It’s built into Windows 10 and is very easy to use.
Follow this first set of instructions if you want to trim the beginning and/or end of your video. To trim more than one part, use the advanced steps at the bottom of this page.
This is ideal if you want to cut out some unnecessary video at the beginning or end.