SetUp Program for Crys.Report

My client's computer don't have Crystal report installed.What are the files required to work my program in that computer so that the crystal report would run smoothly.

I made a Setup package.But it had huge 42 Mb.What's wrong.
What are the dlls and OCX's required, so that i could manually copy it from my computer and Register there...
Pls Help

Look for runtime.hlp in the crystal directory. This help file list everything that needs to be install and if it needs to be register.