to keep the platform’s legacy alive. Since the official Microsoft Store for Windows Phone 8.1 and earlier is closed, these archives serve as the primary source for downloading and sideloading applications. Key Windows Phone XAP Archives
Microsoft still provides the "Windows Phone Recovery Tool" to flash ROMs. While it doesn't give you apps, it gives you a clean OS. Some enthusiasts have written scripts to intercept the download URLs to pull stock XAPs from residual Microsoft CDNs. windows phone xap archive