Integration with ITERAS, a cloud-based state-of-the-art system for managing subscriptions and payments for magazines.

Noted That:

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

6. Now, Click on "Active Plugin"

7. Then, See left sidemenu. "ITERAS" folder is added on left sidemenu. Now, Click on "ITERAS" folder.

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

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

Guide
Navigate to the ‘Add New’ in the plugins dashboard and either upload the plugin (if you have already downloaded it) or search for “ITERAS” in WordPress plugins, then click “Install Now”. Activate the plugin in the plugins dashboard. Go to the plugin settings (either from the dashboard or from Settings->ITERAS) and fill in the requested details. You’ll need to do some work on either a call to action box or a landing page for the paywall.

Guide

Navigate to the ‘Add New’ in the plugins dashboard and either upload the plugin (if you have already downloaded it) or search for “ITERAS” in WordPress plugins, then click “Install Now”.
Activate the plugin in the plugins dashboard.
Go to the plugin settings (either from the dashboard or from Settings->ITERAS) and fill in the requested details. You’ll need to do some work on either a call to action box or a landing page for the paywall.

managing, subscriptions, payments, magazines, system, state, iteras, cloud, based, integration,

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Reffered: https://wordpress.org/