The Advantage program provides you the software for each tax year. The software is sent in November for the upcoming tax year. You are not changed for the software until it ships in November.
If you would like to cancel the Advantage subscription, see this TurboTax support FAQ - https://ttlc.intuit.com/community/downgrading/help/how-do-i-cancel-my-turbotax-advantage-subscriptio...
