How to read the EPUB file
The free Apple Books app will read EPUB directly on iPhone, iPad or macOS.
If you have a Kindle device or the free Kindle app, read this recent article from PC World:
Your Kindle can finally read ePub books: The Send to Kindle service now automatically converts ePub files to Amazon’s proprietary format.
The Kindle app is free for Android, iPad, iPhone, macOS, Windows and more.
The free Kobo app and Kobo devices can read EPUB if transferred via USB from your computer. Read this official Kobo article.
See this recent article:
10 Best Epub Reader For Android, Windows And Mac [2023 List]