outdated woo commerce files

hi team, i got this message, i try to doit my self but honestly i can’t, what do you guys recommend?

Your theme (Highend) contains outdated copies of some WooCommerce template files. These files may need updating to ensure they are compatible with the current version of WooCommerce. You can see which files are affected from the system status page. If in doubt, check with the author of the theme.
HighendWP/woocommerce/archive-product.php,
HighendWP/woocommerce/cart/cart-empty.php,
HighendWP/woocommerce/cart/cart-shipping.php,
HighendWP/woocommerce/cart/cart-totals.php,
HighendWP/woocommerce/cart/cart.php version 2.3.8 is out of date. The core version is 3.0.0,
HighendWP/woocommerce/cart/cross-sells.php version 1.6.4 is out of date. The core version is 3.0.0,
HighendWP/woocommerce/cart/shipping-calculator.php,
HighendWP/woocommerce/checkout/form-billing.php version 2.1.2 is out of date. The core version is 3.0.0,
HighendWP/woocommerce/checkout/form-checkout.php,
HighendWP/woocommerce/checkout/form-shipping.php,
HighendWP/woocommerce/checkout/thankyou.php version 2.2.0 is out of date. The core version is 3.0.0,
HighendWP/woocommerce/content-product.php version 2.6.1 is out of date. The core version is 3.0.0,
HighendWP/woocommerce/content-product_cat.php,
HighendWP/woocommerce/global/quantity-input.php,
HighendWP/woocommerce/loop/add-to-cart.php version 2.5.0 is out of date. The core version is 3.0.0,
HighendWP/woocommerce/loop/loop-end.php,
HighendWP/woocommerce/loop/loop-start.php,
HighendWP/woocommerce/loop/orderby.php,
HighendWP/woocommerce/loop/rating.php version 2.0.0 is out of date. The core version is 3.0.0,
HighendWP/woocommerce/myaccount/my-address.php,
HighendWP/woocommerce/single-product/add-to-cart/external.php,
HighendWP/woocommerce/single-product/add-to-cart/grouped.php version 2.1.7 is out of date. The core version is 3.0.0,
HighendWP/woocommerce/single-product/add-to-cart/simple.php version 2.1.0 is out of date. The core version is 3.0.0,
HighendWP/woocommerce/single-product/add-to-cart/variable.php,
HighendWP/woocommerce/single-product/meta.php version 1.6.4 is out of date. The core version is 3.0.0,
HighendWP/woocommerce/single-product/product-image.php version 2.6.3 is out of date. The core version is 3.0.0,
HighendWP/woocommerce/single-product/product-thumbnails.php version 2.6.3 is out of date. The core version is 3.0.0,
HighendWP/woocommerce/single-product/rating.php,
HighendWP/woocommerce/single-product/related.php version 1.6.4 is out of date. The core version is 3.0.0,
HighendWP/woocommerce/single-product/sale-flash.php,
HighendWP/woocommerce/single-product/short-description.php,
HighendWP/woocommerce/single-product/tabs/additional-information.php version 2.0.0 is out of date. The core version is 3.0.0,
HighendWP/woocommerce/single-product/tabs/description.php,
HighendWP/woocommerce/single-product/tabs/tabs.php,
HighendWP/woocommerce/single-product/title.php,
HighendWP/woocommerce/single-product/up-sells.php version 1.6.4 is out of date. The core version is 3.0.0,
HighendWP/woocommerce/single-product-reviews.php