How to send a short message to a mobile phone on a computer? urgent

Computers must send mobile phones through the internet (that is, through software)

Normal has the following ways:

Fetion (move your own, it is the official channel)

Skype (an international calling software, even a computer can call a mobile phone)

Chatting tools (QQ, WeChat, even Sina Weibo)

It is impossible for a computer to send a real message to a mobile phone.

The above is the information you sent to others. If you want to leave a message or remind yourself, use the memo and alarm function.