For version 2.3.0 to later
This version comes up with pre-activation. You don’t need to activate it.
For previous version:
After installation and activating the plugin, you need to activate your license for using features.
You will get all Feature only after activating your license. A license key only be used for one installation of WordPress at a time. Click on “Settings” link under “WOOEXIM” Menu for activate your license. You will see below section there on that page. To activate your license, you need to enter your Name, Email address (Registered email address) and purchase code (Send to your email ).
Wooexim License Activation