O&O AppBuster is a portable app remover for Windows 10 and Windows 11. It lists built-in Windows apps on the PC, including hidden apps that the Settings app does not show, and lets you select several for removal in one operation. This makes it useful when setting up a PC and clearing apps you do not need without entering PowerShell commands.

Review apps before removing them

The app list includes installed apps as well as Windows apps available to install. Items may come from Microsoft or third parties, so the list gives you a way to review what is present before choosing what to remove. The ability to see hidden apps is particularly relevant when Settings does not provide a complete view of the built-in apps.

O&O AppBuster changes Windows apps only; it does not remove classic desktop programs. That distinction defines its practical scope: use it to manage preinstalled Windows apps, rather than as a general-purpose uninstaller. For details on this limitation and the supported systems, where to read about O&O AppBuster is a useful reference.

Use safeguards and restore options

Before each change, the tool can create a Windows restore point. This provides a recovery measure before modifying the app setup, but it does not make every removal consequence-free. Core components such as Microsoft Store, App Installer, and Windows Security should be left alone unless you know you do not need them, because removing system apps can disrupt features until those apps are restored.

If an app was removed by mistake, O&O AppBuster can reinstall it with one click. Together, the restore point and app restoration option make it possible to reverse changes, though checking selections before a bulk removal remains important. These safeguards support a cautious workflow: review the list, remove only the intended apps, and restore an item if needed.

Portable operation and licensing

The program is freeware with a proprietary license from O&O Software GmbH. It is distributed as a single executable, OOAPB.exe, and needs no installation: run the file to use the tool. According to O&O, it does not download extra software. Its portable design is convenient when you want to run the app directly rather than add another installed program to Windows.

O&O Software describes the freeware as suitable for home users, companies, and schools. The tool supports all versions of Windows 10 and Windows 11, according to the supplied information. Its focused purpose and one-click restore feature make it a practical option for managing built-in apps, provided you understand that it is not intended for classic desktop software.

Decide what belongs on the PC

For a newly set up Windows PC, O&O AppBuster offers a direct way to inspect preinstalled apps and remove selected items in batches. Its strongest practical benefit is the combination of a fuller app list, including hidden entries, and a straightforward way to restore an app. The main consideration is scope: it handles Windows apps, while changes to essential components can affect Windows features. A careful review before removal keeps the process focused on apps you genuinely do not need.