Problem about installing dreamweaver mx 2004

when i download the trial version of dreamweaver mx 2004 i can't expand the
files
i click to the file zipped
then i copy files to another place but it doesn't copy files
so i can't start instalation
help me please!

Hi,

I'm sorry you're having trouble with Dreamweaver. Customer service should be
able to help you.

You can contact Customer Service at:

* U.S. & Canada: (800) 470-7211 (toll free)
* outside U.S. & Canada: 1-415-553-7186

Our Customer Service department is available from 7:00 am to 5:00 pm Pacific
time, Monday through Friday, excluding U.S. holidays.

Or, you can send an e-mail to our Customer Service department via our online
form: http://www.macromedia.com/support/email/cscontact/

thanks,
Sharon Selden

Where r u unzipping to?

R u doing it right?