Top 10 EPUB Readers for Windows

Free e-book reader that supports multiple file formats, including ePub, fb2, mobi, HTML, RTF, HTML, plain text, doc, and more. FBReader uses its own page parsing and rendering engine - very lightweight, fast and customizable. It supports embedded images, footnotes, hyperlinks, text search, full-screen reading. It also automatically creates bookmarks so you don't lose track of where you left off after closing a book. It works on iOS, Android, Windows, Mac OS, Linux, and Chrome OS. Books can be synced across devices or stored in Google Drive. For Android and iOS there are both free and paid versions. Free versions have some limitations.

AlfaReader is a lightweight and fast ebook reader, ideal for reading electronic magazines, student textbooks, medical, scientific, technical books, illustrated books for kids. Allows to make bookmarks, save knowledge blocks, add comments, download books for OPDS. Includes built-in audiobook player. Integrates with popular ebook organizer Alfa Ebooks Manager.

Desktop reader that supports EPUB, MOBI, FB2 and CBR formats (DRM-protected content is not supported) and provides basic functionality for managing your digital library. Allows to read in full-screen mode, night mode, track your reading progress, use bookmarks, search inside text, adjust the font family, font size and line spacing, set the text layout to two or one page. You can add notes, search and sort notes by text or color. Copying text from books and adding notes are only available in the paid version, which also offers text-to-speech (different voices available depending on your system settings) and text translation.

Cross-platform EPUB reader that supports ePub2 and most ePub3 standards and works everywhere: on iPhone, iPad, Mac, Android, Windows, Kindle Fire and even via the web version. There's a free version that provides basic functionality, including a simple book organizer. The paid version allows you to store books in a cloud account (10 GB), sync books and reading progress between devices, add annotations and comments, choose different themes, and customize the reader's appearance more flexibly.

Free Adobe's reader for PDF and EPUB eBooks on PC, Mac and mobile devices. It lets you purchase and download digital content, borrow books from local libraries and read them both online and offline. It also lets you add bookmarks, highlight and mark important and favorite passages in your eBook. ADE is ideal for reading scientific and professional illustrated books. It supports right-to-left reading, dynamic image resizing without loss of clarity, improved display of mathematical formulas, smart searching, and text navigation. It syncs library across devices and includes a built-in player for playing audiobooks. ADE can be used with various screen readers, including JAWS, Window-eyes, and NVDA on Windows, and Voiceover on Mac OS.

SumatraPDF, also known as Sumatra, is a free and open-source software PDF reader for Microsoft Windows only. The program also opens Open XML Paper Specification, DjVu, EPUB, XPS, CHM, CBZ and CBR, and MOBI files

Lucidor is a simple tool for reading, managing and organizing your eBooks within your own personal bookcase. It supports ePub and OPDS catalog files. You can search for eBooks online and download them right into the application. A unique feature Lucidor has is the ability to have multiple eBooks open at one time. It does this via it’s tabbed interface, which is much like a Web browser. Lucidor even supports themes. There is also a search bar for finding specific keywords or phrases within your content.

Okular is a universal book viewer based on KPDF for KDE 4. This means Okular works on multiple platforms, including but not limited to Linux, Windows, Mac OS X, *BSD, etc. Okular combines the excellent functionalities of KPDF with the versatility of supporting different kind of documents, like PDF, Postscript, DjVu, CHM, XPS, ePub and others.

Freda is a free program for reading electronic books (ebooks) on Windows and Android. On Windows, it's a Universal App, which means it runs equally well on your desktop PC or tablet PC, and on your Windows Mobile phone. On Android, it works on any phone or tablet running Jellybean, Kitkat or any more recent version of the operating system.

EPUBReader is a browser addon which lets you read ePub-files without DRM just in the browser. You don't need to install additional software. If you click on a link to an ePub-file, you are normally prompted by the Firefox or Chrome "save as" dialog. With EPUBReader installed, the ePub-file is downloaded, processed and directly displayed ready to read. It runs on every operating system (Windows, MacOS X, Linux)