Fixing HEIC on Windows: Make Thumbnails, Conversions, and Your Workflow Actually Work

https://dibz.me/blog/when-iphone-photos-wont-open-on-windows-practical-ways-photographers-can-send-client-files-without-the-drama-1048

Master HEIC on Windows: What You'll Achieve in 30 Minutes By the end of this walkthrough you'll be able to do the following, reliably and without drama: view HEIC thumbnails in File Explorer, open HEIC files in the app you prefer,