Required:
Make sure those limits to a minimum as follows in order to free-trouble while installing:
- WordPress 5.0+
- PHP 7.0+
- WooCommerce 7.0+
Download Plugin:
Go to Plugin/Add New/Upload Plugin/Choose file/ select plugin zip file fewc-woocommerce-extra-checkout-fields/click “Install Now“/click “Active plugin“.
Guiding video on how to install and set up: