With the official discontinuation of the Windows Phone Store and limited support for Windows 10 Mobile, accessing application files ( .xap for Windows Phone 7/8.x and .appx for Windows 10 Mobile) has become a challenge. Whether you are a developer, a retro-enthusiast, or a user looking to sideload apps, downloading these installation packages directly to a PC is essential.
: On Windows 10 Mobile, go to Settings > Update & Security > For developers and turn on Developer mode . Download Windows Phone Apps -XAP APPX Files- to PC