When I was selecting my package, QuickBooks Self Employed was part of the upgrade in fee. How do I access it?

Unfortunately, the offer has expired. As it shows on our website at the bottom of the page;

Offer: QuickBooks Self-Employed Offer with TurboTax Online Self-Employed and TurboTax Live Assist & Review Self-Employed: To receive your complimentary subscription to QuickBooks Self-Employed for 18 months, you must pay for your 2019 TurboTax Online Self-Employed or TurboTax Live Assist & Review Self-Employed return by 6/30/20 and sign up for QuickBooks Self-Employed by 6/30/20 via the link provided in your TurboTax Online account. You must have cookies enabled in order to access the link. Starting at sign-up, your QuickBooks Self-Employed subscription will renew automatically after 18 months and your account on file will be automatically billed on a monthly basis at the then-current subscription rate until you cancel. You may cancel your subscription at any time from within the QuickBooks Self-Employed billing section. See QuickBooks.intuit.com/ca for price comparison. Offer expires June 30, 2020, at 12:00 pm, midnight EST and is not valid for existing QuickBooks Self-Employed subscribers. Terms, conditions, pricing, features, service, and support options are subject to change without notice.