Visit website to register. Verify email to access your dashboard. Click on airdrop link to view the list of available tasks. Basically you have to join Telegram group (400 tokens) and follow on Twitter (200 tokens) to get your 600 REOS tokens (worth ~$8,40).
You also need to submit a "proof of authentication" post on Bitcointalk forum:
Bitcointalk profile link:
Refer friends and submit their email on airdrop page (max 5) to get 80 additional tokens for each friend.