If you would like to translate the customer portal, navigate to the "Languages" section in the Operations Portal.
Then, select "Messages". In order to access and update “Messages”, you will need to be set up either as an “administrator” or a “superuser”, or have the roles of: “messageView” and “messageEdit”.
Here, you will see all the translations that have been entered. Click the “Language Code” field to select the translating language.
Type to search for the language or choose from the options.
Next, type in the text you want to translate in the “Code” field.
Provide the translation in the “Message” field.
Then, select “Customer Portal” for the type. This is to note that the translation is for the customer portal, and not for the commerce site. After that, hit the Enter key to add the translation.
To check if the changes have been made, go to customer portal and click your profile.
Then, click "Languages".
Switch to the translating language in the "Language" field found at the bottom of the page.
Refresh the page and you will see that the translation has been applied.