UBUNTU is freely available world-wide, and already in use by millions of individuals and many companies of all sizes - even used by NASA
Based upon Linux, it comes with a graphical interface similar to Windows desktop. The OpenOffice suite of programs is a rival to - and compatible with- Microsoft Office.
It is completely free - and you can try it for nothing. Want to know more? Check for yourself, here is a link to the UBUNTU website...
http://www.ubuntu.com/products/whatisubuntu
So what does Abramelin offer ? See the Consultancy page