1. When purchasing Tmall Elf equipment, the merchant usually attaches an activation code. You can find it in the box or accessories of the equipment.
2. If you have purchased the Tmall Elf device, but you can't find the activation code, you can try to find it in the user manual of the device. Sometimes, the activation code is listed separately or provided with the device information.
3. You can also try to find the activation code on Tmall Elf official website. Log in to your Tmall account and enter the related page of Tmall Elf. There may be information about the activation code.
If the activation code cannot be found by the above methods, it is suggested that you directly contact Tmall Elf customer service or relevant after-sales service and ask them how to obtain the activation code.