How to change a language of a control panel?

DirectAdmin

Click the button containing your login name in the upper right corner and select “Skin Options”. The new  “Skin Options” menu will be shown. Find the “Language” option and select a language you need from the drop-down list. New language settings will be applied immediately.

Plesk

The Plesk panel is available only in English

cPanel

Click the button containing your login name in the upper right corner and select “Change language”. The new “Change Language” page will be opened. Choose a language you need from the drop-down list and click “Change”.

ISPmanager

Click the button containing your login name in the upper right corner and then select “Settings”. The new  “User settings” page will be opened. Choose a language you need from the drop-down list and click “Ok”.