If your installing on a windows machine there is a little messing to get up and running but it's worth it. You'll need a bit of PERL/HTML experience if you intend to modify the base install for the likes of workflow(PERL), presentation(HTML), DB(SQL).
I managed to get it up and running in 2 days. Saved company in the order of 60g. Got my pay rise!! ;-)
I configured Bugzilla according to the given procedure but at the last stage of installation i.e configuration of CGI file its giving problem.Please tell me the solution to this problem.I am installing it on a windows machine.