What is a dongle, what is its function, and how to insert a dongle?

What is a dongle, what is its function, and how to insert a dongle?

I downloaded a software on the Internet. It said that I didn't insert the dongle, but I downloaded the cracked version. Is it harmful if I don't insert the dongle??? Please give us your advice!

A dongle is a hardware device.

Now many domestic software use this.

such as

Tianhe machinery

Budget gurus, etc.

Such software such as the purchase of genuine, he will give you a matching with the software dongle. This dongle must be plugged in for the software to work properly.

The software you download on the Internet must be a cracked version. As long as you break it and use it, it will do no harm to the computer.