As an eligible SSL hardware owner, you can claim a 3-month FREE SSL Complete subscription. After 6 months you will go onto a special month-to-month plan of $14.99 (normal price $24.99). You can cancel at anytime, no commitment.
You can claim this via registering your SSL audio interface in the user portal and then clicking 'Get Additional Software'. See this FAQ to find out more.
Please note this offer is offered once per user, regardless of how many pieces of eligible audio interface hardware you own.