The Source code generated from FlutterFlow can support different platforms: Android, iOS, Windows, and Linux, among others.

This article will walk you through enabling support for Windows in FlutterFlow.
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1. Under the App Settings -> Platforms

Click on the toggle button next to the "Windows" text.
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2. After the toggle button is clicked, it should appear as shown in the attached image below
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That is it! The project now supports Windows platform in FlutterFlow.