Limit the number of posts or custom post types that can be published based on role (i.e, author) or user.

Noted That:

To install correctly this wpsite-limit-posts.zip.
Fisrt Download the wpsite-limit-posts.zip to your computer
Extract/Open wpsite-limit-posts.zip to Your Computer.
Then, Find readme.txt file inside wpsite-limit-posts.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 the Tips Below.

Start the Tips:

1. First Download "wpsite-limit-posts.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 "wpsite-limit-posts.zip" Downloaded plugin from your computer, Where you downloaded wpsite-limit-posts.zip According to Step – 1 Above then, click on "Install Now"

6. Now, Click on "Active Plugin"

7. Then, See left sidemenu. "Limit Posts by 99 Robots" folder is added on left sidemenu. Now, Click on "Limit Posts by 99 Robots" folder.

Noted that: If you do not see "Limit Posts by 99 Robots" folder on left sidemenu then, see at left sidemenu "Settings" or "Tools".

8. Now you configure yourself oR Watch video tutorial below about Limit Posts by 99 Robots Configurtions and Settings or How to work "Limit Posts by 99 Robots" in your WordPress site.

After Activated Plugin According to Step-6 then,

Go to "Plugins" + "Installed Plugin" from Wordpress Admin Panel Leftside Menu.
or Direct go to: https://yourdomain/wp-admin/plugins.php
Then, Find "Limit Posts by 99 Robots" Activated Plugin from Plugin List.
Then, Click on "Settings" from Plugin that is Limit Posts by 99 Robots
Now, Edit/Add/Config the setting and Click on "Save Changes" button,

Guide

Guide
You can install the Limit Posts plugin from your WordPress Dashboard or manually via FTP. For more details, visit http://99robots.com From WordPress Dashboard Navigate to ‘Plugins -> Add New’ from your WordPress dashboard. Search for `99 Robots Limit Posts` and install it. Activate the plugin from Plugins menu. Configure the plugin’s settings Add any widget to your widget zone from Appearance -> Widgets and configure the widget options. Manual Installation Download the plugin file: `wpsite-limit-posts.zip` Unzip the file Upload the`wpsite-limit-posts` folder to your `/wp-content/plugins` directory (do not rename the folder) Activate the plugin from Plugins menu. Configure the plugin’s settings (see instructions for shortcode and php template tags) Add any widget to your widget zone from ‘Appearance -> Widgets’ and configure the widget options.

You can install the Limit Posts plugin from your WordPress Dashboard or manually via FTP. For more details, visit http://99robots.com

From WordPress Dashboard

Navigate to ‘Plugins -> Add New’ from your WordPress dashboard.

Search for 99 Robots Limit Posts and install it.

Activate the plugin from Plugins menu.

Configure the plugin’s settings

Add any widget to your widget zone from Appearance -> Widgets and configure the widget options.

Manual Installation

Download the plugin file: wpsite-limit-posts.zip

Unzip the file

Upload thewpsite-limit-posts folder to your /wp-content/plugins directory (do not rename the folder)

Activate the plugin from Plugins menu.

Configure the plugin’s settings (see instructions for shortcode and php template tags)

Add any widget to your widget zone from ‘Appearance -> Widgets’ and configure the widget options.

based, role, author, user, published, types, number, posts, custom, post,

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Reffered: https://wordpress.org/