> I have a question about multi thread option in
> httrack.
> How can I enable it?
There is no multithread option, the engine is using the select() api to
dispatch multiple connections.

> I have 100MBit on my srv, and I want to use this
> bandwith to download, but in this way, httrack only
> use ~256kbit/sec bandwith.

HTTrack has a default 25KB/s bandwidth limit enabled, not to clobber remote
sites (you can easily put a server on its knees if you are downloading at full
speed, even using a DSL line!)