Sumatra PDF 2.5 Stable + Portable

Sumatra PDF is powerful, small, portable and starts up very fast PDF reader for Windows. It supports many different format including DF, eBook (ePub, Mobi), XPS, DjVu, CHM, Comic Book (CBZ and CBR). Also Sumatra PDF is designed for portable use: it’s just one file with no external dependencies so you can easily run it from external USB drive. This classifies it as a portable application. As is characteristic of many portable applications, Sumatra takes up little disk space. SumatraPDF works on Windows 8, Windows 7, Vista, XP and Windows 2000. Not supported: Windows 95, 98 and ME.

Changes in Sumatra PDF 2.5 (2014-05-05):
* 2 page view for ebooks
* new keybindings:
— Ctrl+PgDn, Ctrl+Right : go to next page
— Ctrl+PgUp, Ctrl+Left : go to previous page
* 10x faster ebook layout
* support JP2 images
* new advanced settings: ShowMenuBar, ReloadModifiedDocuments, CustomScreenDPI
* left/right clicking no longer changes pages in fullscreen mode (use Presentation mode if you rely on this feature)
* fixed multiple crashes and made multiple minor improvements