On a Computer:
Step 1.
Go into your confirmation email and select "Access your tickets"
Step 2.
Select "Download all tickets"
This will download a PDF that contains your tickets.
On a Phone:
Step 1.
Go into your confirmation email and select "Access your tickets"
Step 2.
Select "View Ticket"
This will bring up a QR code that can be scanned for entry into the event