Noted That:

• To install correctly this add-to-cart-button-for-woocommerce.zip .
• Fisrt Download the add-to-cart-button-for-woocommerce.zip to your computer
• Extract/Open add-to-cart-button-for-woocommerce.zip to Your Computer.
• Then, Find readme.txt file inside add-to-cart-button-for-woocommerce.zip and Open readme.txt .
• Now, Read the Requirements of this plugin. Which Wordpress Version and PHP Version are required to run this Plugin in Your Wordpress Site.
• Then, Follow the Tips Below.

Start the Tips:

1. First Download " add-to-cart-button-for-woocommerce.zip " Plugin to your Local Computer. (Click Download)

2. Then, Login to your " yourdomain.com/wp-admin " Dashboard.

3. Then, Click on " Plugins " + " Add New " from left sidemenu of Dashboard.

4. Now, Click on "Upload Plugin" button.

5. Now, Browse " add-to-cart-button-for-woocommerce.zip "  Downloaded plugin from your computer, Where you downloaded add-to-cart-button-for-woocommerce.zip According to Step – 1 Above then, click on " Install Now"

6. Now, Click on " Active Plugin"

7. Then, See left sidemenu. " Add to Cart Button for WooCommerce " folder is added on left sidemenu. Now, Click on " Add to Cart Button for WooCommerce " folder.

   Noted that: If you do not see " Add to Cart Button for WooCommerce " folder on left sidemenu then, see at left sidemenu " Settings " or " Tools ".

8. Now you configure yourself oR Watch video tutorial below about  Add to Cart Button for WooCommerce Configurtions and Settings or How to work " Add to Cart Button for WooCommerce " in your WordPress site.

After Activated Plugin According to Step-6 then,

1. Go to " Plugins " + " Installed Plugin " from Wordpress Admin Panel Leftside Menu.
2. or Direct go to: https://yourdomain/wp-admin/plugins.php
3. Then, Find " Add to Cart Button for WooCommerce " Activated Plugin from Plugin List.
4. Then, Click on " Settings " from Plugin that is Add to Cart Button for WooCommerce
5. Now, Edit/Add/Config the setting and Click on " Save Changes " button,

Dashboard

Log in as an administrator and go to Plugins > Add New .

Type Add to Cart Button for WooCommerce in the search field and click Search Plugins , locate the Add to Cart Button for WooCommerce plugin by WebbyKey and install it by clicking Install Now .
Now Activate the plugin to be able to customize your Add to Cart button.
After installing the plugin, all the options and features will be found under the Dashboard? WooCommerce? Add to Cart Button menu.

FTP

You can install the plugin via FTP, see Manual Plugin Installation .

Here is a detailed guide for installation ? 3 ways to install a WordPress plugin