Send an open invite or a more personal invite to try EVE Online for a 30 day trial. When your buddy upgrades their account you will be notified and you will be able to claim a reward.
You will earn rewards such as game time and PLEX for each buddy that upgrades from their trial to a full account.
Send a buddy a personal invite to try EVE Online with you. Alternatively, post an open invite on your favorite social media.
Your buddy upgrades to a full EVE Online account at any point during or after their trial.
After a buddy upgrades you will be able to claim your choice of reward from those available.