This plug-in allows short notices to be displayed on your blog.

Noted That:

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

6. Now, Click on "Active Plugin"

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

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

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

Guide

Guide
Put the complete plug-in folder into your WordPress plug-in directory (if this doesn?t make sense it probably isn?t something you should be trying) and activate it. Define the text of your notices using the Notices form at Tools » Notices. Note that HTML is allowed in the text but be careful to avoid the `"` (double quote) character, use `'` (single quote) instead. Each notice has these attributes: Notice text (the notice itself). The number of days the notice will be valid for. Once created, a checkbox indicating if the notice is active. The date is the date the notice is valid from and is the date the notice was created (or last updated). Use the Notices widget (Appearance » Widgets) to show a sidebar widget that scrolls the chosen number of the most recent notices. The widget has just two options – the first (repeated from the main Settings » Notices page) the number of notices to show, and the second, a title for the widget. Use this in your theme?s template files. Where `true` or `false` determines if the ticker should be hidden when there are no notices to scroll. For example, only shows the ticker when there are notices to scroll, whereas always shows the ticker – even an empty one. There is a small CSS document (`notice.css`) in the plug-in folder to help style your notices ticker. The three styles defined are: `.ticker` – style for the text used in the notices. `.ticker img` – style for images (use in the notice text) in the notices. The example lines images up with the bottom of the notice text. `.ticker-div` – style for the ticker container.

Put the complete plug-in folder into your WordPress plug-in directory (if this doesn?t make sense it probably isn?t something you should be trying) and activate it.
Define the text of your notices using the Notices form at Tools » Notices. Note that HTML is allowed in the text but be careful to avoid the " (double quote) character, use ' (single quote) instead. Each notice has these attributes:
Notice text (the notice itself).
The number of days the notice will be valid for.
Once created, a checkbox indicating if the notice is active.
The date is the date the notice is valid from and is the date the notice was created (or last updated).
Use the Notices widget (Appearance » Widgets) to show a sidebar widget that scrolls the chosen number of the most recent notices. The widget has just two options – the first (repeated from the main Settings » Notices page) the number of notices to show, and the second, a title for the widget.
Use this in your theme?s template files. Where true or false determines if the ticker should be hidden when there are no notices to scroll.
For example, only shows the ticker when there are notices to scroll, whereas always shows the ticker – even an empty one.
There is a small CSS document (notice.css) in the plug-in folder to help style your notices ticker. The three styles defined are:
.ticker – style for the text used in the notices.
.ticker img – style for images (use in the notice text) in the notices. The example lines images up with the bottom of the notice text.
.ticker-div – style for the ticker container.

your, blog, displayed, notices, allows, short, plug,

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Reffered: https://wordpress.org/