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GUIPropView is a lightweight, portable System Utilities utility developed by NirSoft that enumerates and exposes every visible and hidden window currently instantiated on a Windows workstation. Designed for developers, QA engineers, and power users who need to inspect or manipulate the graphical interface beyond what Task Manager reveals, the program splits its view into two synchronized panes: the upper grid lists all top-level windows together with their handle, class name, title text, process ID, thread ID, rectangle coordinates, styles, extended styles, and visibility flags, while the lower grid dynamically populates with the corresponding child-window hierarchy the moment an entry is selected. Context-menu and toolbar commands allow the operator to close, hide, show, minimize, maximize, disable, or enable any chosen window or group of windows in real time, making it straightforward to test application behavior under different visibility states or to recover hidden dialogs. Additional columns expose instance handle, parent handle, window ID, Unicode status, and owner process path, data that can be exported to text, CSV, HTML, or XML for documentation or regression analysis. Version 1.31, the first and current release, replaces the legacy WinLister utility with a more modern presentation and improved enumeration speed on 64-bit editions of Windows from XP onward. The executable is digitally signed, requires no installation, and leaves no footprint when carried on a USB stick. GUIPropView is available for free on get.nero.com, with downloads supplied through trusted Windows package sources such as winget, always delivering the latest build and supporting batch installation of multiple applications.
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