Still using Windows Phone 8 or 8.1? No more app updates
Windows Phone 8.1 End of Support: FAQ - Windows Help Jan 08, 2020 Windows 8 and 8.1 Microsoft Store app package updates When you are connected to the Internet, Windows 8 and 8.1 clients obtain updates to Microsoft Store apps directly from the Microsoft Store app (visible on the Windows Start screen). To update these Microsoft Store apps on computers that cannot connect to the Microsoft Store site by using the Internet, Microsoft has a collection of downloadable APN Settings for Windows 8 & 8.1 - Mobile Phone Manuals
Facebook's apps stop working on Windows Phone 8.1
Windows Phone 8.1 Update 1 | Windows Central Aug 04, 2014 Windows Phone 8.1 Review | Trusted Reviews Apr 23, 2014
May 28, 2014
Apr 14, 2014 WhatsApp Download For Windows 8.1 64 Bit | WhatsApp