How to change Joomla admin URL
If you run a Joomla website,you should absolutely use Adminexile to secure it against potential attacks from hackers.
This extension fixes a glaring security hole in the Joomla community: How to change Joomla admin URL the well-known problem of the admin panel URL. Everyone knows where the admin panel, and this includes hackers as well. Protect Joomla administrator area helps solve this problem by allowing webmasters to customize their admin panel URL and blocking the default links. After you setup Adminexile, webmasters will be able to change the "yoursite.com/administrator" link into something like "sitename.com/custom-link". All queries for the classic "/administrator" files will be redirected to the homepage, while access to the Joomla backend will be allowed only for the custom URL.
Please follow these steps to get everything done quickly
Step 1: Download Adminexile plugin
This link can direct you to Adminexile download page
Step 2: Enable the plugin
You need to make sure the plugin enabled by searching string "Adminexile" in plugin name filter
Step 3: Configuration
You just need to customize your admin url as shown in the screenshot below: