The document was saved as PDF file. In order to open the PDF file you will have to install Adobe Acrobat Reader. You could download the installation from:
Adobe Acrobat Reader is also used as a Plug-In in the browser and enables you to view PDF files on the Internet.
The Plug-In often comes with your browser and in case you are not sure if it is installed, I suggest checking this first. you could check this by clicking on the link to the PDF file ("Download Tutorial").
I have chosen to export the tutorial into PDF format for 2 reasons:
The first reason is that this format reserves my copyrights better by preventing the content to be copied and redistributed.
The second reason is for the user's convenience - This common format does not demand an expensive or large program on your hard disk. The PDF format enables all users to view and print its content exactly like it was written, even if you do not have Hebrew installed on your system.