OS

Windows Vista, Windows 7, Windows 8, Windows 10, Mac OS X 10.7 or later, Android 4.X, Android 5.X

Browsers

Latest release of following browsers:
Chrome, Firefox, Microsoft Edge, Internet Explorer 11, Safari

Browsing on iOS

iOS doesn't allow browsers to download and save files, in general.
If you need to save music files in iOS, you can download the files into your PC and then, transfer them to the iOS device through iTunes.