Usenet Introduction

Install news reader - Thunderbird or Pan

Register an account: eternal-september.org
(or any other free or paid usenet provider.)

Thunderbird

"Account Settings" -> "Account Actions" -> "Add Newsgroup Account…"
(provide newsgroup server and login.)

Right click on the added newgroup server and select -> "Subscribe…"
enter comp.os.linux.announce (or other newsgroups you like to add).

You can right click and select "Get Messages" on your subscribed newsgroups.

Pan

provide server and login information.