The Migrate File to Media module provides an easy way to migrate old file fields like images, files, videos, etc, into the media entities with a few drush commands.

So you can have an understanding of how the migration process works, In this tutorial, we will run through a few quick step-by-step instructions on how to migrate specific image field types to image entity reference fields.

Media Module

_{The core media module is what creates the “media” entity types. If you haven’t set this up yet, or if you are not too familiar with media entity setup, I highly recommend following this tutorial “Drupal 8 Basic Media And Media Browser Setup For Beginners”, before you continue with this tutorial.}