Download the latest version file () of woocommerce paypal express checkout from codecanyon. The documentation file can be found inside the documentation folder which you will find when you unzip checkout the downloaded zip file. Please check the following express checkout link on paypal for more information features how to upgrade to a newer version of woocommerce paypal express checkout? if you are using an older version & want to upgrade to the latest version of woocommerce paypal express checkout then please do the following steps. Woocommerce paypal express checkout & paypal credit provides the convenience for customers to checkout directly from product. Deactivate & credit delete the existing version of woocommerce paypal express checkout in your site