Can someone write a brief regarding the License Key on Inspire 2 like this post in chinese?

http://bbs.dji.com/thread-109026-1-1.html

There is a similar gist on the DJI Website:

http://www.dji.com/service/inspire-2-license-key

DJI-Jamie Posted at 2017-2-9 23:08
There is a similar gist on the DJI Website:

http://www.dji.com/service/inspire-2-license-key

Good information Jamie, thank you..