Hey JimC6,
Here is a list of conditions:
Players must opt-in, meet the conditions of the offer and then redeem to receive the bonus.
Instructions on how to opt-in to offers and redeem bonuses can be found in the NetBet help center.
Players who make a deposit and earn 20 NetPoints in the specified periods will be eligible to receive a token.
Your deposit must be made directly into NetBet Poker from their web-cashier or poker software. Deposits made on NetBet Casino or NetBet Sport will not be eligible.
Freeroll tokens are non-refundable, non-transferable and cannot be converted to cash.
Freerolls will be capped at 7500 entrants maximum.
NetBet Poker reserves the right to exclude players that participate in the promotion with multiple accounts or who are judged to have abused the promotion.
Winners of the tournaments agree for their interviews, names/usernames, videos and photos to be used on the site, as well as for any other NetBet Poker marketing purposes.
Any player found to be taking part in collusion/soft play will be banned immediately and have their winnings cancelled.
In the event of any discrepancies between the English version of these terms and conditions and those in any other language, the English version will take precedence.
NetBet Poker reserves the right to postpone or cancel this offer, or change its terms and conditions at any time. Any decision made by NetBet Poker management is final and irrevocable.
So yes you have to opt-in first. You should be able to opt-in here.
Let us know if you need any further assistance. 
Regards
Laz