1. Try Their Service for Free
Sign up for their risk-free trial and enjoy all the features of their service for 30 days for free to see if you're going to like what they have to offer.
2. Refer Your Friends
When you refer your friends to their service and they open an account for 60GB of storage or more, you will both earn 10GB of bonus space. Maximum amount of space you can earn is capped at 40GB.