The first and usually the only step is to download all your data from Enjin and upload them to Koinly. There are a couple of ways you can do that:
If you want to import CSV files, you need to make sure to import your deposits/withdrawals and trades for ALL previous years !
That's it. The only other thing to keep in mind is to tag your airdrops/forks so they show up as Income on your final crypto tax documents!