How to claim a sln airdrop?

Excuse me, could you please explain the process of claiming an SLN airdrop? I'm new to this and would appreciate a step-by-step guide. Do I need to hold a specific amount of a certain cryptocurrency in my wallet? Is there a specific time period during which I can claim the airdrop? And lastly, what happens if I miss the deadline to claim it? I'm eager to learn more and get my hands on this opportunity.