Microcomputer products without serial numbers are considered illegal.

The SN code is the serial number of the product and is the only identification. Without the SN code, it is definitely a fake.

In addition, illegal processors and sellers who destroy the SN code will bear administrative liability for illegal processing and trademark infringement liability.

Serial number, also known as "machine code", is a globally unique identification code for an item, usually an electronic product. Often used for anti-counterfeiting. The biggest feature is its uniqueness.

The serial number is an identification code given to the software by the software developer. It is similar to a person's ID card number. Its main function is to prevent the software from being stolen by users. Users must know the serial number in order to use their software. A unique identification code is generated when a user registers or purchases a product, generally called a machine code, also called an authentication code, registration application code, etc.