Noted That:

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

6. Now, Click on " Active Plugin"

7. Then, See left sidemenu. " Custom Field Builder – WordPress custom fields plugin " folder is added on left sidemenu. Now, Click on " Custom Field Builder – WordPress custom fields plugin " folder.

   Noted that: If you do not see " Custom Field Builder – WordPress custom fields plugin " folder on left sidemenu then, see at left sidemenu " Settings " or " Tools ".

8. Now you configure yourself oR Watch video tutorial below about  Custom Field Builder – WordPress custom fields plugin Configurtions and Settings or How to work " Custom Field Builder – WordPress custom fields plugin " 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 " Custom Field Builder – WordPress custom fields plugin " Activated Plugin from Plugin List.
4. Then, Click on " Settings " from Plugin that is Custom Field Builder – WordPress custom fields plugin
5. Now, Edit/Add/Config the setting and Click on " Save Changes " button,

Via Composer .

composer require kirillbdev/custom-field-builder:dev-master

To do an automatic install of Custom Field Builder, log in to your WordPress dashboard, navigate to the Plugins menu and click Add New.

In the search field type “cfb” or “Custom Field Builder” and click Search Plugins. Once you have found it you can install it by simply clicking “Install Now”.

The WordPress codex contains instructions on how to install a WordPress plugin .