This article describes update 4464545 for Microsoft Word 2013 that was released on May 7, 2019. This update also applies to Office Home and Student 2013 RT.
Be aware that the update in the Microsoft Download Center applies to the Microsoft Installer (.msi)-based edition of Office 2013. It doesn't apply to the Office 2013 Click-to-Run editions, such as Microsoft Office 365 Home (see What version of Office am I using?).