The result read: SerialNumber: To be filled by O.E.M.
Check the back of the tower or the underside of the All-in-One stand. asus serial number lookup
If you ever find yourself in Elena's situation, remember this order of operations: The result read: SerialNumber: To be filled by O
The fastest way to find your serial number is by checking the physical labels on your device or its original packaging. On the Product asus serial number lookup