2. Press the "Alt" key with your left hand and the number "8482" with your right hand.

3. After the operation, you can see the keyboard input "?" Special symbol succeeded.

Supplement:

1. In China, TM on the trademark also has its special meaning. In fact, trademarks do not protect trademarks. Different from R. TM, it means that the trademark has been applied to the State Trademark Office, which has issued a notice of acceptance and entered an objection period. This can prevent others from applying repeatedly, and it also means that existing trademark holders have the priority to use. Use & reg； , is a sign of "registered trademark", which means that the trademark has been registered in the State Trademark Office and has been approved by the Trademark Office to become a registered trademark. & ampreg is the initials of English register. ?

2. Registered trademarks are exclusive, exclusive and unique. It belongs to the registered trademark owner and is protected by law. Without the permission or authorization of the registered trademark owner, no enterprise or individual may use it, otherwise it will bear tort liability. The use of TM is a trademark symbol, that is, words, graphics or symbols marked with TM are trademarks, but they are not necessarily registered (unregistered ones are not protected by law).

3.TM is the abbreviation of English trademark. Common superscript symbols? Express delivery.