it allows users to download World Wide Web sites from the Internet to a local computer. By default, It arranges the downloaded site by the original site's relative link-structure. The downloaded (or "mirrored") website can be browsed by opening a page of the site in a browser.
It can also update an existing mirrored site and resume
interrupted downloads. it is configurable by options and by filters
(include/exclude), and has an integrated help system.
You can now Download and run any Site offline..