[Newbie]Installing XFree86 4.2

[newbie@XFree86.Org (Michael)]

Hello everyone,

I am running FreeBSD 4.5 and have recently upgraded my system to run 
kde3.0.1.  I would like to upgrade from Xfree86 Version 3 to Xfree86 
Version 4.2.

Can someone provide the steps to take in order to accomplish this on 
this OS?

When I try to make XFree86-4 in my ports I get errors.  

Thanks for your feedback in advance.

Michael