If you find is that, like other people say can not find the serial number of this option, do not panic. .
First you have to break the network, and then open the sql client, click Manage License, and then you will see activate the word, that is to activate it
After finding the entrance to reference
https://blog.csdn.net/whc20605008/article/details/82459449
Act now on the line
Although I would love to have written tutorials screenshot hands, but since I had been activated, and unloading heavy equipment is activated, it can not reproduce.
So to suggest here, and I think you will be in the ~