These instructions are NOT applicable to Flash Player included with Microsoft Edge or Internet Explorer on Windows 8 and later or with Google Chrome on all supported operating systems. Uninstalling the Flash Player resets the AutoUpdateDisable and SilentAutoUpdateEnable settings in mms.cfg to their default values. The uninstaller executes on both the 64-bit and 32-bit versions of the Windows operating systems. The instructions are available in Adobe Labs’ Flash Player beta uninstaller, which is available in the Adobe Labs product.”]
Source: https://helpx.adobe.com/flash-player/kb/uninstall-flash-player-windows.html