After downloading the plugin from email.
Now, login to WordPress Site.
Click plugins>Add New
Then click Upload plugin
Next click Choose File and select the “Advance easy shipping for woocommerce” file you downloaded from the email
Click Install Now
After installation, click on Activate.
After activating the plugin, you will be redirected to a license activation screen. This will verify your purchase.
Enter the license key from the first email received after purchase.