You can refer your friends to join the platform. You will get 10% of all the money generated by your referrals upto 1 year.
For example, if you have referred 50 people and each of them earn $100 per month, you will get $500 / month without doing any download tasks.
Please note that you will get referral commission for every member upto 1 year only. That means, you have to refer new members often to ensure regular income for years.
For example, if you have referred 10 members in October 2018, you will get 10% of their earnings till October 2019. If you have referred another 10 members in November 2018, you will get 10% of their earnings till November 2019.
In fact, try to refer new members every month to keep the income flow for ever.
Please note that, referral program is completely optional. You can make money even without any referrals.
Please read these pages for details