Simply download Splashtop Wired XDisplay from:

It is free for personal use with no hidden fees or time limits.

Before you click "Install," understand the dangers:

Recommendation: If you do this, use a secondary Apple ID (not your main iCloud account) and isolate the installation.

"Mirror" mode duplicates your primary computer screen exactly. Your iPad shows exactly what your laptop shows.

The Keyword Trap: When searching for "Splashtop Wired XDisplay - Extend Mirror IPA," users often want a tweaked version of the iOS IPA file that enables features restricted by the developer, such as disabling the "mirror" watermark or forcing extension on unsupported OS versions.

Once you have the app and the desktop agent installed, you have two modes of operation. Understanding the difference is key to a productive workflow.