Enable Terms and Conditions checkbox on the Checkout page
To enable Terms and Conditions checkbox on the Checkout page first navigate to WooCommerce > Settings > Click on Advanced tab
Once you create a page (or may be you already have), declare the page in WooCommerce settings as a terms & conditions for WooCommerce products.
Step 2: Edit the text according to your requirement & click "Publish" button to save the new content.
Step 3: After publish you will see the Final Output here with new content.