The term Ebook stands for electronic book. It is basically a book in digital form that can be read on your PC. They come in many formats including PDF, exe and Word.
Do I need any special software to read an Ebook? Most Ebooks can be read using the default software of your computer. For Ebooks in PDF format, you will need Acrobat Reader which can be obtained free from www.adobe.com.
Ebooks in Word format will require Microsoft Word. Many Ebooks come in exe format which can be read on any PC.
You will also need extracting software such as 7zip free download from www.7-zip.org to unpack your purchase from the ZIP folder that it will arrive in.