1. Create a new folder titled “hello-world-plugin” in the WordPress plugins directory: wp-content/plugins/.

2. Inside the “hello-world-plugin” folder, create a new PHP file named “hello-world.php”.

3. Open “hello-world.php” in a text editor and add the following code:

4. Save the file.

5. Go to your WordPress admin dashboard, navigate to “Plugins” -> “Installed Plugins”, and you should see “Hello World Plugin” listed among the plugins.

6. Activate the “Hello World Plugin”.

Now, every time you visit a post or page, you should see “Hello World!” displayed at the bottom.

Note: Remember to adjust the plugin details (name, URI, description, author, and author URI) in the plugin header according to your preference.

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