To install your sales-tracker, it is necessary to know the StoreID of your shop.
To find it, you have to:
1) Click on "Tracking" on the home page
2) In the page "My Trackers", you will find in the section "Sales" the code you have to insert in the order confirmation page, here you can find the StoreID.
Every StoreID is as follows: XXXXXXXX-YYYY-ZZZZ-UUUU-TTTTTTTTTTTT