If you have a legitimate IPA file (such as one you backed up or are testing as a developer), you typically use a "sideloading" tool. Note that apps installed this way usually need to be "re-signed" every 7 days unless you have a paid Apple Developer account.
AltStore is the most common tool for sideloading IPA files on non-jailbroken devices. download-scany-v1-univ-64bit-os120-ok14-user-hidden-bfi2-ipa
The specific tags in your file name suggest certain requirements: : Universal (works on both iPhone and iPad). If you have a legitimate IPA file (such
: Download and install AltServer on your Mac or PC from altstore.io . The specific tags in your file name suggest
: This file format cannot be opened on Android or Windows; it is strictly for iOS.
: On your iOS device, go to Settings > General > VPN & Device Management and "Trust" your Apple ID. Sideload the IPA :