You should have received access details via email to the address you provided when checking out. You can log into the member’s area with those details to access all your purchases.
The member’s area address is http://members.shopifystorepro.com.
Please check your spam/junk folder if you do not see it. Also, you may be checking the WRONG email address. Please check the email address you used for ACCESS during purchase (may be different than your paypal email address).