Transfer files between iOS and Mac or PC
if you looking for one easy software that Transfer files between iOS and Mac or PC iMazing will work just fine, Transfer files between iOS and Mac or PC iMazing is the all-purpose iOS management software, This tool do not need any cloud, no require jailbreak, no need iTunes account or sync required, it just works – even with the all new iOS 9.XX
You can backup your apps from your iDevice directly to your desktop computer.
[iMazing] How To Hack Updated iOS 9.3.1 Games Permanent & Never Crash Forever!!
you can also install download apps from others backups :
IF YOU CAN’T ACCESS THE BACKUP FILE THEN JUST TRY THIS:
1) Close iMazing, launch iTunes, go to preferences -top left corner- open advance option, and tick on “Share iTunes library XML with other application” like this picture :