A free and open-source program uninstaller for Windows that excels at removing large amounts of applications with minimal user input, with support for cleaning up leftovers, detecting orphaned applications, and running uninstallers according to premade lists, compatible with Windows Store Apps, Steam, and Windows Features.
- v6.3
- Published at
- Sep 7, 2026
- 21,664
- Stars
- 1,408,016
- Download
- Synced at
- Oct 4, 2026
Latest release
v6.3Sep 7, 2026, 11:12 PMREADME
Project Overview
Bulk Crap Uninstaller (BCUninstaller) is a free and open-source program uninstaller. It excels at removing large amounts of applications with minimal user input. It can clean up leftovers, detect orphaned applications, run uninstallers according to premade lists, and much more. Even though BCU was made with IT pros in mind, it can be used by anyone with a basic understanding of how applications are installed/uninstalled in Windows. BCU is fully compatible with Windows Store Apps, Steam, Windows Features and has special support for many uninstalling systems (NSIS, InnoSetup, Msiexec, and many other).
Key Features
- Batch uninstall large amounts of applications
- Clean up leftover files and registry entries
- Detect orphaned applications
- Run uninstallers according to premade lists
- Compatible with Windows Store Apps, Steam, and Windows Features
- Special support for NSIS, InnoSetup, Msiexec, and more
- Quiet uninstall support
Target Audience
- IT professionals and system administrators
- Users who need to batch clean up Windows applications
- Users with a basic understanding of Windows application management
Quick Start
- Download the latest version from the Releases page
- Choose Setup, Portable, or net variant
- Run the program and select applications to uninstall
- Click the uninstall button to begin batch uninstallation
Core Advantages
- Extremely efficient batch uninstallation for cleaning up many apps
- Open-source and free (Apache 2.0), usable in commercial settings
- Compatible with multiple uninstall systems and application types
- Portable version available with no installation required
System Requirements
- OS: Windows 10 and above (v6), Windows 7 SP1 and above (v5)
- Additional Dependencies: .NET 8 desktop runtime (not needed for portable)