1.Via web: login to your account and select "My Account" > "Order history." Click on the relevant order number to display the details. In the "Products ordered" area beside each part number, click on the "Upload" button to upload your file online.2.Via email: When you click on the "Upload" button, you will be presented with a pop-up page that contains details of the email address to which you can send the required files.3.Via direct email: Send an email with the required files attached to sales@PCBAstore.com. Please ensure you indicate the order number to which the files correspond.