Navigate to the page or blog post of your choice.

Click on the three dots context menu  button. A context menu will open. Now, click on the Language Manager button.

A new window called Manage Language Links will open. Here, click on the Select language drop-down menu next to the name of the page/blog post.

Enter the language of your choice. You can either type in the language or choose from the list.

Click the Save button after you chose the language.

A pop-up dialog will appear. You should reload the page to see the changes.