Installing apps on an iPad without the App Store is possible through methods such as sideloading IPA files using a computer, using developer tools like Xcode, or deploying apps via Mobile Device Management systems typically used by organizations. However, these approaches require technical setup, valid certificates, or trusted sources, and may expose the device to security risks or violate platform policies. Apple restricts app distribution to maintain security and privacy, so users should be cautious and ensure any alternative installation method uses legitimate and safe sources.

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