Scratch the layer directly to get the activation code, and then get the activation code.

There are two main types of activation codes: one is the activation code of general software; One is the game activation code. Some software will add password programs and use activation codes in order to make their software face a specific paying crowd. Only by entering the correct password can you use this software normally. It's like locking a door with a lock. Only people with keys can open the door.