We have released 2 free plugins in the WordPress.org repository:
Private Store for WooCommerce: https://wordpress.org/plugins/b2bking-private-store-for-woocommerce/
B2BKing Wholesale (B2BKing Core) : https://wordpress.org/plugins/b2bking-wholesale-for-woocommerce/
You can use the plugins to test B2BKing functionality as well as get a preview in case you're undecided about your purchase.
To get the full version, B2BKing Premium, you can have it today at a limited price for only $199 for a FULL LIFETIME LICENSE:
https://codecanyon.net/item/b2bking-the-ultimate-woocommerce-b2b-plugin/26689576