Noted That:

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

6. Now, Click on " Active Plugin"

7. Then, See left sidemenu. " mPDF add-on for PDF Invoices, Packing Slips, Delivery Notes & Shipping Labels by WebToffee " folder is added on left sidemenu. Now, Click on " mPDF add-on for PDF Invoices, Packing Slips, Delivery Notes & Shipping Labels by WebToffee " folder.

   Noted that: If you do not see " mPDF add-on for PDF Invoices, Packing Slips, Delivery Notes & Shipping Labels by WebToffee " folder on left sidemenu then, see at left sidemenu " Settings " or " Tools ".

8. Now you configure yourself oR Watch video tutorial below about  mPDF add-on for PDF Invoices, Packing Slips, Delivery Notes & Shipping Labels by WebToffee Configurtions and Settings or How to work " mPDF add-on for PDF Invoices, Packing Slips, Delivery Notes & Shipping Labels by WebToffee " 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 " mPDF add-on for PDF Invoices, Packing Slips, Delivery Notes & Shipping Labels by WebToffee " Activated Plugin from Plugin List.
4. Then, Click on " Settings " from Plugin that is mPDF add-on for PDF Invoices, Packing Slips, Delivery Notes & Shipping Labels by WebToffee
5. Now, Edit/Add/Config the setting and Click on " Save Changes " button,

Automatic Installation
The automatic installation of the plugin is the easiest way to install the plugin. You can install the plugin without even leaving your browser window and from within your WordPress dashboard.

From your admin dashboard, go to Plugins > Add New . From the search box, type “mPDF” and then search plugins. Click the install button on the mPDF addon for PDF Invoices, Packing Slips, Shipping Labels & Delivery for WooCommerce by WebToffee and then activate the plugin.

Manual Installation
In the manual installation, you will need to download the zip file of the plugin from the plugin page in WordPress.org. You can upload the file directly from your WordPress dashboard, or using an FTP application to the ‘/wp-content/plugins/’ directory.

Plugin Updates
For every update of the plugin, you will be notified of the installed plugins page. You can directly update the plugin from your dashboard. We recommend that you keep the latest version of the plugin so that you can avail of the new functionalities and security features.

After installing and activating the add-on, change the PDF library to mPDF from the general settings page to switch the PDF library from domPDF to mPDF.

Note: This plugin works only with WooCommerce PDF Invoices, Packing Slips, Delivery Notes & Shipping Labels plugin Pro (v4.0.9 +), Basic (v2.6.7 +) By WebToffee. If you are already using the WooCommerce PDF Invoices, Packing Slips, Shipping Labels & Delivery, you will also need to manually ensure that your existing “custom” saved/active templates are compatible with mPDF prior to further use.