Top 10 PDF Book Readers for Windows

AlfaReader is a lightweight and fast ebook reader Ideal for reading electronic magazines, student textbooks, medical, scientific, technical books, illustrated books for kids. Includers built-in audiobook player

Adobe Digital Editions software offers an engaging way to view and manage eBooks and other digital publications. Use it to download and purchase digital content, which can be read both online and offline. Transfer copy-protected eBooks from your personal computer to other computers or devices. Organize your eBooks into a custom library and annotate pages. Digital Editions also supports industry-standard eBook formats, including PDF/A and EPUB.

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

Foxit Reader is a small, lightning fast, and feature rich PDF viewer which allows you to open, view, sign, and print any PDF file. Foxit Reader is the only high volume PDF reader providing a complete PDF creation solution, providing the power of PDF creation to every desktop. Foxit Reader comes equipped with comprehensive protection against security vulnerabilities, keeping your system and company safe. Available in English, French, German, Portuguese, Russian, and Spanish.

Do everything you expect with a PDF reader, and then some. Create PDF files from any source easily. Sign them securely. Then collaborate with anyone, anywhere. Select the most appropriate Page View for the document you're viewing: Single, displaying one and only one page at a time; Continuous, displaying all pages as a single uninterrupted column; Facing, displaying two pages side-by-side like a magazine or book; and Facing Continuous, with facing pages side-by-side as two vertical columns.

GooReader is a desktop app that allows you to read and download Google Books, add bookmarks, annotations, create a local Library and save books to PDF. GooReader allows to access your online Google Library and manage your personal bookshelves.

Adobe Reader software is the free trusted standard for reliably viewing, printing, and annotating PDF documents. It’s the only PDF file viewer that can open and interact with all types of PDF content, including forms and multimedia.

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.

Get ready to rethink your choice of free PDF reader. Nuance PDF Reader enables you to do much more than just view PDF files. You can convert PDF files to Word, Excel, and RTF via a hosted web service. Use annotation tools to highlight, cross-out, and underline text for more effective collaboration. Even fill out and save PDF forms. Nuance PDF Reader takes up less disk space, is more secure than Adobe Reader, and works with virtually any PDF file. Best of all, it's absolutely free, proving that you really can get a whole lot of something for nothing.

Those wishing to View/Modify or perform simple editing and even OCR Image based PDF files on their Windows PC's now have a FREE pdf reader alternative to the Adobe Reader! The PDF-XChange Viewer is smaller, faster and more feature rich than any other FREE PDF Reader/ PDF Viewer/ PDF Editor available. This free pdf viewer download also allows users to try the extended functionality offered by the PDF-XChange Viewer 'PRO' in evaluation mode - for free.

The world's smallest PDF viewer/reader to view, print, extract, crop, and convert PDF files to TXT, BMP, JPG, GIF, PNG, WMF, EMF, EPS, TIFF. It is only 1.07MB for download and doesn't need lengthy installation, just download and run. Freeware!

Xpdf is an open source viewer for Portable Document Format (PDF) files. (These are also sometimes also called 'Acrobat' files, from the name of Adobe's PDF software.) The Xpdf project also includes a PDF text extractor, PDF-to-PostScript converter, and various other utilities.