When you first install WordPress, your site may have a ‘Powered by’ link in a footer bar. This isn’t a widget, so it’s often not clear how to change it.

Step 1: Click on Appearance and select Customize.

Step 2: Then click Footer Builder. This section is in the Astra theme.

Step 3: After that click the Copyright section and replace the footer text.

Step 4: Here you can change what you want.

we are only removed powered by.