Can anyone give me free web site that give me free downloading encyclopedia-software….. no registration and no paying money?

Why should a company go to through the task of researching and writing an encyclopedia and then give it away?

Wikipedia articles are free to download.

Here is a site for the Librarian's Internet Index:Ready Reference.
Librarians' Internet Index (http://search.lii.org/index.jsp?more=SubTopic10)

Infoplease: Encyclopedia, Almanac, Atlas, Biographies, Dictionary, Thesaurus. Free online reference, research & homework help. (http://www.infoplease.com) is an online almanac, encyclopedia and dictionary

ThinkQuest : Library (http://www.thinkquest.org/library) is a collection of more than 6,000 websites

Between all those, you should be able to access information you need. Good luck.

Wikipedia:Database download - Wikipedia, the free encyclopedia (http://en.wikipedia.org/wiki/Wikipedia:Database_download)

This is wikipedias page on downloading their info.

Google is your friend STFW

free downloading encyclopedia-software - Google Search (http://www.google.com/search?hl=en&q=free+downloading+encyclopedia-software&btnG=Google+Search)