Active your User Plugin:
In the Users option, press the "GET PLUGIN" button if willing to upgrade your User's subscription.
Select the "Активировать плагин" option if you've already bought a User's subscription online or has received an activation code from your distributor/installer.
(1) Choose the Пользователь plugin type, (2) put the активация код and (3) изображение текст. (4) Press проверить.