kismet map UDK problems

Few moments ago I’ve downloaded Jazz iOS udk tutorial.Problem depends on neccessary rebuilding maps.I know only how to open,import,export maps,but i didn’t save from full to empty map.Well I downloaded UDK 2015 kismet jackrabbit is from 2010.Now i’m downloading downgraded version.

Founded in 2004, Leakfree.org became one of the first online communities dedicated to Valve’s Source engine development. It is more famously known for the formation of Black Mesa: Source under the 'Leakfree Modification Team' handle in September 2004.