Ebooks on internet come on different formats, most of them in pdf which is a very popular file format people use to share electronic documents. It happens that publishers don't use all the time pdf to distribute their content to the consumer, leaving the end user stuck in front of the computer. Most of the Windows operating system users, familiar with Adobe Reader , are not able to open EPUB files they download online. The web is full of tutorials, useful to the average geek. On the other hand, the normal user struggles with the instructions written by technical bloggers on their sites. The purpose of this material is to help even the beginner user to open their filename.epub in the easiest way possible, free of charge. EPUB, what is it? EPUB is a format standard which defines how digital publications and electronic documents should be distributed or interchanged on the internet through a single file. It defines a means of packaging, encoding an...