That's it. Then go to terminal and do "sudo rpm -i" command for all three packages that you downloaded before. Here are the commands (you need to run these from the folder where you have dowloaded them):
;[root@localhost ~]# cd /folder_where_files_were_downloaded, example: : cd /home/frankUSERNAME/Downloads/ * rpm -Uvh nxclient-3.4.0-5.i386.rpm* rpm -Uvh nxnode-3.4.0-6.i386.rpm* rpm -Uvh nxserver-3.4.0-8.i386.rpm
You need to install them in order: client, node, server.