Getting the IPA file onto your computer is only the first step. To install these files onto your device, you need specific desktop software and, in most cases, a jailbreak. Method 1: AppSync Unified (Jailbreak Required)
Streaming apps are notoriously difficult to maintain on older iOS versions due to changing API protocols. However, specific workarounds exist:
Use a desktop side-loading tool to install your downloaded IPAs. Method 2: Sideloadly or Legacy Cydia Impactor Alternatives
: Search for collections labeled "Legacy iOS Apps", "32-bit iOS App Archive", or "iOS 7 IPA Pack". Because Archive.org is a non-profit library, these uploads are generally well-vetted by preservationists.