• Backup & transfer data
      • O&O DiskImage Professional data backup for your PCs
      • Rescue data & systems
      • O&O DiskRecovery Professional data recovery made easy
      • O&O BlueCon Disaster recovery when a pc or server no longer starts
      • PC Migration Windows 11
      • Migration Kit for Windows 11 The Easy PC Migration
      • Optimize systems
      • O&O Defrag Speed up your Windows PC
      • O&O DiskCommander Disk Analysis & Backup Testing
      • Cloud solutions
      • O&O Syspectr Free IT management solution from the cloud
      • O&O FileDirect Send files. Easily. Securely.
      • Protect data & systems
      • O&O SafeErase Secure data deletion
      • Freeware
      • O&O ShutUp10++ Antispy tool for Windows 10 and 11
      • O&O RegEditor Editing the Windows Registry
      • O&O AppBuster Bust Apps you do not want
      • O&O Lanytix Quick and easy Network Analysis in the LAN
      • O&O DeskInfo All important system information directly on the desktop
      • NEW: O&O ToolBox Our top products in
        a package at a special price!
      • View all products Discover all our tools for Windows
      • Downloads Get installation and portable applications
      • O&O Blog Stay up-to-date with our blog
      • Corporate Solutions Benefits for your company
      • Protect Enterprise Data
      • O&O DiskImage Backup solution for your business
      • O&O DiskImage Enterprise Data backup and system recovery at industrial levels
      • Productivity Boost
      • O&O Defrag Maximum performance for your Windows servers and PCs
      • Enterprise-Wide Data Recovery
      • O&O DiskRecovery Professional data recovery at the push of a button
      • O&O BlueCon The recovery system when a computer or server no longer starts
      • Protect Your Enterprise Data
      • O&O SafeErase Secure data deletion for critical business data
      • Freeware
      • O&O ShutUp10++ Compliance use of Windows in businesses
      • Your IT Management in the Cloud
      • O&O Syspectr Remote Monitoring and Management for Windows
      • O&O Blog Stay up-to-date with our blog
      • O&O PowerPack Enterprise The complete solution for your servers and PCs at a bargain price!
    • View all products >>>
      • Ressources
      • Documentation Documents related to O&O products
      • User's guides online Read manuals online
      • Downloads Download archive
      • Whitepapers Studies and whitepapers
      • FAQ Frequently asked questions
      • First aid First aid in the event of data loss
      • Get support
      • Overview Our service offers
      • Registration Register your O&O product
      • Trial users Support for trial users
      • Registered customers Support for registered customers
      • License recovery Resend your O&O license
      • Partner
      • O&O Partner Program Your advantages as an O&O Partner
      • O&O Partners Authorized O&O Partners in your region
      • Company
      • About us Leading manufacturer of system tools
      • Product releases List release dates and versions
      • The O&O Group Made in Berlin. Made in Germany.
      • Team Our management team
      • Contact us How to contact O&O
    • Contact
    • Newsletter

Business Private Partners

O&O AppBuster

The free uninstaller for unwanted apps

Freeware

Download for free
O&O AppBuster - The free uninstaller for unwanted apps
Windows 10 Windows 11
Looking for a backup solution? Find out more here.
  • Overview
  • Features
  • Screenshots
  • Support
  • What’s New

All functions of O&O AppBuster at a glance

O&O AppBuster gives you full control over the apps pre-installed with Windows 10 and Windows 11. Instead of putting up with unnecessary software, hidden applications, or unwanted third-party apps, you decide which programs remain installed on your system. The following feature list clearly shows you which functions O&O AppBuster offers to make Windows more transparent, tidier and easier to control – without any prior technical knowledge or manual intervention in the system.

General features

  • Removal of pre-installed Windows apps on Windows 10 and Windows 11
  • View all installed and available Windows apps
  • Support for Microsoft apps and third-party apps
  • Management of apps hidden by default
  • Support for all Windows 10 and Windows 11 versions

App management

  • Uninstall pre-installed Microsoft apps
  • Uninstall pre-installed third-party apps
  • Reinstall previously removed apps
  • Installing optional Windows apps
  • Select and manage multiple apps at the same time

Security and system protection

  • Automatic creation of a Windows restore point
  • Undo all changes
  • No manual registry intervention required
  • Use of official Windows interfaces

Transparency and control

  • Complete overview of all Windows apps
  • Display of app status and availability
  • Differentiate between installed and uninstalled apps
  • Detection of low-level applications

Ease of use

  • Intuitive and clear user interface
  • One-click uninstall and installation
  • Clear status and warnings
  • No prior technical knowledge required

Recommendations and assistance

  • Marking of non-critical apps
  • Indications of systemically important applications
  • Support for safe decisions

Portable use

  • Portable version without installation
  • Ready to use immediately after download
  • No changes to the Windows installation
  • Suitable for USB sticks and admin tools

Privacy and performance

  • Removal of unnecessary background apps
  • Reduction of potential data collectors
  • Freeing up system resources
  • System Overview Improvement

Compatibility and use

  • Suitable for home users
  • Use in companies
  • Use in educational institutions
  • Support for single and multi-user systems

License and Costs

  • Completely free for home users
  • Free for businesses and educational institutions
  • No registration required
  • No hidden costs

Software Integrity

  • No ads
  • No additional software
  • No reloading of unwanted components
  • Clean and safe program execution
About us Newsletter For Partners Contact
Our Products Order Downloads Protecting Your Security - Securing Your Privacy
Support FAQ Platform Status News & Releases
Social Commitment Press Releases O&O Labs The O&O Group
© 1997-2026 O&O Software GmbH, Berlin
Privacy Policy Terms & Conditions EULA Cancel subscriptions Imprint