YITH WooCommerce Subscription is a plugin designed to enable recurring payments for the services offered in your shop.
The integration with YITH Customize My Account Page allows you to automatically show ‘My subscriptions’ menu in My Account so you can easily edit it as you prefer.
To start using them together, just make sure you have installed and activated both plugins from Plugins menu in your WordPress dashboard.
Then, you will see My subscription menu automatically appear in the list of endpoints in YITH > Customize My Account Page. You can either keep it as is so it will automatically show users all their subscriptions or customize it with custom content.
For more details about the configuration of YITH Subscription plugin, please, refer to the official plugin documentation.