To unlock additional functionality of benefits NextGIS QGIS (switch to Pro-version NextGIS QGIS), you must be on a Mini or Premium plan and login.
By default, locked tools are shown like this: .
To activate the Pro-version of NextGIS QGIS you need to login with NextGIS Account Toolbar button on the toolbar (see in Pic. 3.1.).
Authorization is done via a web browser which will redirect to https://my.nextgis.com. On this page you need to enter your NextGIS ID or register (see in Pic. 3.2.). If you have forgotten your account information, you can recover your account using the same page.
After entering the login and password, you will receive a message about successful authorization in NextGIS QGIS (see in Pic. 3.3.), and access to the Pro-functions will be unlocked .
NextGIS Account Toolbar button will change to which indicates a successfully authorized user (see in Pic. 3.4.).