[newbie] I Just D/L StarOffice, What to do w/ the tar file? How to install?

[Sevatio Octavio]

Sorry about this but I've looked every where but can't seem to find an answer to my 
most basic question...

I just downloaded Staroffice.  Now what?  How do I get that Tar file to install?  
Please explain this to me (while considering my
knowledge to be no more than a highly intoxicated chimp).

Regards,
Frustrated Sevatio