The first and usually the only step is to download all your transaction data from CoinEgg and upload it to Koinly. There are a few ways you can do that:
If you decide to use CSV files, you have to make sure to import your deposits/withdrawals and trades for ALL previous years - not just the current one!
That's all you have to do. Don't forget to tag your airdrops/forks so they appear as Income on your final crypto tax reports!