Custom WooCommerce Add to Cart Plugin WordPress, Download, Install
Customize the WooCommerce "Add to Cart" button text on a per-product basis.
Custom WooCommerce Add to Cart Download Now
(If the link does not work)↓
Originals Link WordPress.org
https://wordpress.org/plugins/custom-text-on-add-to-cart-button-for-woocommerce/
How to Install Custom WooCommerce Add to Cart Plugin, Manually
Automatic installation
Automatic installation is the easiest option as WordPress handles the file transfers itself and you don’t need to leave your web browser. To do an automatic install of this plugin, log in to your WordPress dashboard, navigate to the Plugins menu and click Add New.
In the search field type “Custom WooCommerce Add to Cart” and click Search Plugins. Once you’ve found the plugin you can view details about it such as the the point release, rating and description. Most importantly of course, you can install it by simply clicking “Install Now”.
Manual installation
The manual installation method involves downloading this plugin and uploading it to your webserver via your favorite FTP application. The WordPress codex contains instructions on how to do this here.
Updating
Automatic updates should work like a charm; as always though, ensure you backup your site just in case.
Video
Plugin Not Working?
If any errors or problems with the plug-in then write comments.