How to deal witth WooCommerce outdated templates?

Sometimes WordPress bothers you because of outdated woo-templates.

Go to WooCommerce/System Status onto your WordPress Dashboard
Scroll down the list and find the out of age php-templates — like this one
template/woocommerce/cart/cart.php Version 2.0.0 is outdated. Main version is 3.1.0.
Check on the ftp-server were WordPress is installed. You’ll find the updated files inside
wp-content/plugins/woocommerce/templates
Copy all the required files on your desktop
Find the outdated files of your current theme inside
wp-content/themes/name-of-your-current-theme/woocommerce
Rename the old files for backup
Upload the new files from your desktop in this very folder
Go to WooCommerce/System Status and check if everything is up to date.

That’s it. Well done!