You can install the installation package of the plugin directly through Joomla Extension Installer. It can also be used to upgrade/update the plugin; just install it without uninstalling the previous release.
Select your policy article by clicking on select button. In case of multilingual sites, you can add multilingual association in the selected article.
Show One Time in Cart
This option is particularly useful if you are using VP One Page Checkout plugin and enabled to show the field both in Account Maintenance Page and Cart Form. If this option is enabled, then the field will be displayed only one time in cart page.