I get this message below, but i don't seem to be able to find a newer
version than v3.00pl2.
What needs to be done?

$ trek
$ !!!!!!!!!!!!!!!!!!!!!!WARNING!!!!!!!!!!!!!!!!!!!!!!!
This client will expire on Wed Jan 10 01:26:04 2001

Please obtain a newer version from your favourite ftp site.
At the moment of writing http://cow.netrek.org/ is the COW home.
Or try the -L option to get a new version.
Reading defaults file .xtrekrc