Here are different ways to onboard: You only have to choose one way if you have a limited time available !!!
Buy some Bitcoin with Bitpanda or Blocktrades or Changelly with your credit cards Exchange these currency in Evergreencoin on Bittrex
Get some Bytes by participating to an airdrop.
Many new projects are offering some cryptos to participants of their new project. This is called an airdrop. https://steemit.com/money/@icosandwhich/want-free-crypto-don-t-waste-time-with-faucets
Suggest a better onboarding process.