You can create e-books very easy on your computer. E-books are documents that are saved in different formats that can be read with any e-book reader. The most common file formats that are used for e-books are PDF, ePub, HTML and plain text. The first step in creating your e-book is to choose a program for editing\writing. You can use any text editor software like Notepad, Wordpad, Microsoft Office etc. Don't worry about the format of the finished file because you can use tools like Epubor eBook Converter to convert any file to a format among the ones mentioned above.