Manual Installation Method 1 DFM Gateway plugin for WooCommerce

Login to your website and go to the Plugins section of your admin panel.
Click the Add New button.
Under Install Plugins, click the Upload link.
Select the plugin zip file (woocommerce-product-payments.x.x.x.zip) from your computer then click the Install Now button.
You should see a message stating that the plugin was installed successfully.
Click the Activate Plugin link.