Noted That:

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

6. Now, Click on " Active Plugin"

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

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

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

Getting started.

NOTE: Some steps require you to have developer accounts in third-party
services and obtain API Keys in order to configure the plugin.
If you’re not a developer you might need help from someone you know
or contact the author for support.

• Please enable the External Media plugin.
• Configure one or more services. Each field has a description with links.
• Please follow instructions to generate all required keys in those links.

Configration.

• Enable plugins you would like to see in the Add Media library.
• Set “Only allow inser to remote files” if you would like to
  use the plugin only in “Insert from URL” media tab.

Dropbox.

• Use your existing account or create new account in Dropbox (dropbox.com).
• Open https://www.dropbox.com/developers/apps and create Drop-in app.
• Enter all domain names in ChooserSaver domains field.
• Copy the “App Key” and use it in the plugin to enable insert links or
  imports from Dropbox.

Box.

• Use your existing account or create new account in Box (box.com).
• Open https://app.box.com/developers/services and create a new Box Application.
• Once created you should be able to see the Api Key.
• Copy the “Api Key” (see under “Backend Parameters”) and use it in the
  plugin to enable insert links or imports from Box.

.**

NOTE: Please note you might need to re-ope file picker popup after you
first time login. Please also note that users only can choose their own photos.

• Open https://ww.com/developer/clients/manage/ and register
  a New Client.
• Provide Redirect URI (this can be found on the plugin configuration page)
• Use Client ID and Client Secret in the plugin.
• NOTE: This plugin ONLY allows to use your ow pictures.

OneDrive (Microsoft).

Please Register your app to get an Application (client) ID, if you haven’t already done so. Ensure that the web page that is going to reference the SDK is a Redirect URL under Redirect URIs (Web platform). Enable Implicit grant and make sure Access Tokens and ID Tokens checked. Set Treat application as a public client to Yes.

GoogleDrive.

• To get started using Google Picker API, you need to first create or select a
  project in the Google Developers Console and enable the API.
  https://console.developers.google.com/flows/enableapi?apiid=picker
• Add your Client ID obtained from the Google Developers Console.
  Example format: 886162316824-pfrtpjns2mqnek6e35gv321tggtmp8vq.apps.googleusercontent.com
• Application ID. Its the first number in your Client ID. e.g. 886162316824
• Add scopes or use the default scope.
• Add your domain to Authorized JavaScript origins.
  More about scopes: https://developers.google.com/picker/docs/#otherviews
• Make sure you enable Picker API.
• Make sure you enable Drive API.

Usage.

• Create or edit any page or other content.
• Press Add Media button.
• Choose either you would like to insert a link to the file (Insert from URL)
  or import file from third-party service (this will save files in WordPress
  and will become permanent, further changes to files on the third-party service
  won’t reflect on the site).

For more information or customization please contact the author of this plugin.