Step 1: Go to

Step 2: Under 'My Account' click 'Sign in'

Step 3: Insert your email address in the 'Email' field and click 'Continue'. You will immediately receive an email containing a 6 digit code.

Step 4: Insert your 6 digit code in the 'your code' field and click 'Continue'

Step 5: Increase or decrease the amount of items by using the '+' and '-' icons

Step 6: Click 'Confirm'

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