This document has been moved to the OFBiz website:
http://ofbiz.apache.org/apache-ofbiz-getting-started.html
You will also find useful links to documentation here:
http://ofbiz.apache.org/documentation.html
And a Chinese version of the document is here:
https://cwiki.apache.org/confluence/display/OFBIZ/Chinese+-+Apache+OFBiz+Getting+Started
Apache OFBiz Getting Started
This document and it's child documents contain information about getting started with OFBiz.
In addition to the child documents under this document (which you should read first, just look down to find them) you might find these helpful as well as you get more into things:
...