System Requires:
Make sure that those limits are to a minimum as follows for free-trouble while installing:
- WordPress 5.0+
- PHP 7.0+
- WooCommerce 7.0+
Download plugin
In Dashboard/Plugins/Add New /Upload Plugin/Choose file/ select plugin file zip/ Install Now/Active Plugin
You can follow this video on how to install and use WooCommerce Thank You Page Customizer