video encoder software capable of converting almost any video format out there to a selection of modern and widely supported codec.

Step 1. Download Handbrake
Visit their Handbrake website here and download their latest stable version. NOTE: The website will recognize your OS, so just click Download.
Step 2. Installation
You can open it as a disk image or install it on your computer. The installation process is self-intuitive. For macOS, drag the Handbrake icon to the Applications folder.