Step 1 – Change Path
First, open the local.xml configuration file in your favorite text editor, or use the Text Editor in the cPanel File Manager. The file is usually located in the app/etc/ directory under your Magento installation. Locate the following code segment:
Now, replace admin with your new admin path. This should be something personal which is hard to guess, use only letters or numbers – no special characters, then save the file.
Step 2 – Refresh Cache
Step 3 – Complete
The change is now complete and you should try to log in via the new admin url – http://yourmagentodomain/adminpath/, replacing ‘adminpath’ with the path you chose in the step above. If everything went fine, you should now be presented with the Admin Panel login screen at the new URL. The old admin login URL should return a 404 error message.