You are downloading the FM Radio XAP file v1.0.0.0 for Windows Phone. FM Radio is a free Music App: a beautiful and powerful. You can now download the offline XAP package file to install & try it.
Download Locations for FM Radio 1.0.0.0 XAP file
Package File
Please Click Here > to retrieve available package files for FM Radio.
Please be aware that the FM Radio XAP file you are to download is hosted on the Microsoft Store CDN server. You can read more about FM Radio or get it on Microsoft Store.
To try to install it manually from an SD card, you should choose one of the server location above to get the offline FM Radio XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.