Hello,
Please refer to the answers below:
1)http://prntscr.com/e5yxpw
2)If you want to add for separate products, you can add it in the text editor of the product http://prntscr.com/e5yyj5
3)If you want to add for all products, go to royal/woocommerce/content-single-product.php and write http://prntscr.com/e5z3yx
4) For checkout, edit the file royal/woocommerce/checkout/form-checkout.php and add the following http://prntscr.com/e5z5tw
5) Search event goes here http://prntscr.com/e5z6vv in the file royal/searchform.php
and royal/woosearchform.php
6) Add to Cart event goes here royal/woocommerce/single-product/add-to-cart/simple.php
and royal/woocommerce/single-product/add-to-cart/variation-add-to-cart-button.php http://prntscr.com/e5z8tq
Make all changes in the child theme to prevent losing them after theme update.
Regards,
Eva Kemp.