Visit the Borneo website.
Sign up and verify your email address.
Visit the Borneo airdrop form.
Join their Telegram group.
Follow them on Facebook, like and share their pinned post.
Follow them on Twitter, like and retweet their pinned tweet.
Post your proof of participation on this Bitcointalk thread.
Submit your details to the airdrop form.
You will receive 250 BMG tokens to your Borneo dashboard.
For more information about the airdrop, visit this Bitcointalk thread.