Enter a license code
For more information, see License.
If you just installed NIM for the first time, you'll see a [license error] message in the upper-right hand corner of the screen.

Go to Configuration > Settings.
Go to the License tab.

Paste your license into the License Code field, including the
BEGIN_CODEandEND_CODElines.
Click Save.
If successful, the Status pane is populated with your license information. The license error is cleared. NIM's full functionality is enabled.

Next: The NIM workflow