==== Installing the key  ====
{{indexmenu_n>2}}

In order to be able to use the ** Classifier **, it is necessary to activate the license of the Classifier section in DPIUI2.

To do this, you need to run the command:
<code>dpiui2 clsfr_lic --make=1</code>

Further:
   - Enter the standard license level;
   - Enter the expiration date of the license in the Y-m-d format (for example, 2099-12-31);
   - Enter the password for the license.

If you entered the correct data, a message about successful license activation for the Classifier section will be displayed:
<code>
dpiui2 clsfr_lic --make=1
 Enter level:
 > standard

 Enter expire date in Y-m-d format:
 > 2999-01-01

 Enter password:
 > 

stdClass Object
(
    [success] => 1
)
</code>