1) Connect your web3 wallet (like MetaMask) to the account you wish to receive the airdrop with.
2) Connect to the xDai network (instructions for connecting with MetaMask).
3) Open the link. The format will look similar to the following:
https://claim.linkdrop.io/#/receive?weiAmount=1000000000000000&tokenAddress=0x0000000000000000000000000000000000000000&tokenAmount=0&expirationTime=1900000000000&version=1&chainId=100&linkKey=0xec8ca8fefd48b842b80e630f4f24bbd288feae67c01e438b33787136a2353756&linkdropMasterAddress=0xe8e1af82e2c45ee040d8d2dcc78fbf28fb6cb25b&linkdropSignerSignature=0x28c9683fb584ef7e7d201684fb0d78d9ffde6fb64b1e535673d13ec0add56e3969ea94f64b6f9b1ec6f7bd0c9c652dc624cb4d471ba8132142d6e548bf3eee9c1b&campaignId=12
Note the link above has already been claimed.
4) Click Claim to accept the airdrop.
5) The claim is successful!
6) Your transaction is viewable in BlockScout.