Give me this over Acrobat any day for looking at eBooks. Options are a little thin on the ground but SumatraPDF provides a very comfortable environment for reading PDFs and you can print documents without much hassle. Opening files in the program is virtually as quick as opening and closing your eyes and it doesn't take a genius to find your way around the interface. SumatraPDF is one of several apps knocking around that are designed to simplify your PDF viewing - and it doesn't do a bad job either. OK, maybe not quite that long, but it is very slow. One of the worst problems with Adobe's Acrobat reader is that it often takes about a week to load PDFs.

Simplicity has a higher priority than a lot of features. Sumatra PDF Portable Screenshot Sumatra PDF is a slim, free, open-source PDF viewer for Windows. Sumatra PDF is an open-source PDF, eBook (ePub, Mobi), XPS, DjVu, CHM, Comic Book (CBZ and CBR) reader for Microsoft Windows OS (runs on XP, Vista, 7 and 8). You can place it on your USB flash drive, iPod, portable hard drive or a CD and use it on any computer, without leaving any personal information behind. Sumatra PDF Portable is the lightweight Sumatra PDF packaged as a portable app, so you can view PDF files on the go. Sumatra PDF Portable for Windows 10 - Full description

Sumatra pdf for windows