WpTravelly PRO plugin is dependent on Two Plugins. These two plugins must be installed on your website.
To Install WordPress Tour & Travel Booking Plugin for WooCommerce PRO:

Purchase any plan for WpTravelly and you will get the license and pro plugin.
Download the plugin zip file from My Account after buying the pro version, then Go to Plugins -> Add New. Click on the Upload Plugin button. Choose the plugin zip file tour-booking-manager-pro.zip and click on Install Now button.


Activate the Plugin.

Now go to Settings > License type your License key and click Active.
And your WpTravelly Pro is ready.

Now check the above and you will see a prompt to install the PDF plugin, which is a pro feature from WpTRavelly.

Once you have installed the PDF plugin, activate it and you are ready to use the PDF invoices in your WpTravelly.