Please read this below link about byteball airdrop
https://steemit.com/byteball/@themarkymark/byteball-airdrop-the-largest-steem-airdrop
Then click this below link for download the apps and fill up the requirement.
https://steem-byteball.org/#2DGT7TKPXL5OQKVHRHR3UUYOZQCOSUVV