Because you cannot install an .ipa file directly through standard iOS menus, you must use a trusted sideloading desktop client or on-device installer:

Note: This method will only function properly if your device runs an older firmware version capable of executing 32-bit applications. Method 2: Utilizing an Older iOS Device

Are you ready to unleash your inner fashionista and take the world of style by storm? Look no further than Fashion Icon, a popular mobile game developed by Gameloft. This exciting game allows players to create and manage their own fashion empire, and it's now available for download on iOS devices.

Fashion Icon is available for download on iOS devices, including iPhones and iPads. To download the game, follow these steps: