Attached Link: http://download.sketchup.com/sketchuphelp/gsu6_win/gsuwin.html

...There is also a FREE On-Line manual (Windows and MAC versions)- which makes it pretty easy and convient as well as you are learning the program...

...Of course...Google HOPES you like the FREE version so much that you will BUY the PRO version- but, HEY, what a GREAT MARKETING CONCEPT!...(Wouldn't it be nice if other software was available like this?)