Noted That:

• To install correctly this ecwid-shopping-cart.zip .
• Fisrt Download the ecwid-shopping-cart.zip to your computer
• Extract/Open ecwid-shopping-cart.zip to Your Computer.
• Then, Find readme.txt file inside ecwid-shopping-cart.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 " ecwid-shopping-cart.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 " ecwid-shopping-cart.zip "  Downloaded plugin from your computer, Where you downloaded ecwid-shopping-cart.zip According to Step – 1 Above then, click on " Install Now"

6. Now, Click on " Active Plugin"

7. Then, See left sidemenu. " Ecwid Ecommerce Shopping Cart " folder is added on left sidemenu. Now, Click on " Ecwid Ecommerce Shopping Cart " folder.

   Noted that: If you do not see " Ecwid Ecommerce Shopping Cart " folder on left sidemenu then, see at left sidemenu " Settings " or " Tools ".

8. Now you configure yourself oR Watch video tutorial below about  Ecwid Ecommerce Shopping Cart Configurtions and Settings or How to work " Ecwid Ecommerce Shopping Cart " 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 " Ecwid Ecommerce Shopping Cart " Activated Plugin from Plugin List.
4. Then, Click on " Settings " from Plugin that is Ecwid Ecommerce Shopping Cart
5. Now, Edit/Add/Config the setting and Click on " Save Changes " button,

Automatic installation (the easiest way)

1. In your WordPress admin backend, navigate to Plugins ? Add New
2. Under Search, type in Ecwid and click Search
3. In the search results find the Ecwid Ecommerce Shopping Cart plugin and click Install now to install it
4. When plugin is installed click Activate Plugin link
5. Navigate to Ecwid Store ? General page in your WordPress admin backend and follow the instruction provided there

Alternative ways

Uploading the plugin zip archive in WordPress admin backend

1. Download Ecwid plugin from this page (click Download button)
2. In your WordPress admin backend, navigate to Plugins ? Add new
3. Click Upload link and choose the saved zip file in the appeared dialog window.
4. Click Install

Uploading plugin folder to WordPress directory on your server

1. Download Ecwid plugin from this page (click Download button)
2. Unpack the downloaded zip archive
3. Upload ecwid-shopping-cart directory from the archive to the /wp-content/plugins/ directory on your server

Please refer to this article for the details and troubleshooting on plugin installation in WordPress:
https://codex.wordpress.org/Managing_Plugins#Installing_Plugins