# Uninstalr > Uninstalr is a Windows software uninstaller with batch removal, unattended uninstallation and leftover detection. The application lists installed software, supports searching and filtering, and calculates application disk usage. Its custom uninstallation engine can remove multiple applications in one operation, including software whose own uninstallers do not provide silent removal. A freeware version is available, with additional features and support offered through Uninstalr Pro. Use the features and pricing pages to compare editions. The download page provides current releases and download options; the changelog provides version history. Avoid relying on a fixed version or price from this overview. Uninstalr supports Windows 11, 10, 8 and 7. Review the selected applications and proposed removals, follow the program’s instructions, and create backups before uninstalling software. The help page contains tutorials and frequently asked questions. Use the terms page for licensing, privacy and refund information. This is the official product website. ## Main resources - [Uninstalr overview](https://uninstalr.com/): Windows software removal, batch uninstallation and product overview. - [Features](https://uninstalr.com/features): Capabilities and supported uninstallation workflows. - [Download](https://uninstalr.com/download): Official releases and download options. - [Changelog](https://uninstalr.com/changelog): Release history and changes. - [Help](https://uninstalr.com/help): Frequently asked questions and tutorials. - [Uninstalr Pro](https://uninstalr.com/why-uninstalr-pro): Pro edition features and support. - [Pricing](https://uninstalr.com/pricing): Current Pro licensing options. - [License activation](https://uninstalr.com/how-to-activate): Instructions for activating Uninstalr Pro. - [Legal terms](https://uninstalr.com/terms): Software licensing, privacy and refund policies. ## Optional - [Screenshots](https://uninstalr.com/screenshots): Product interface examples. - [About](https://uninstalr.com/about): Developer and company background. - [Contact](https://uninstalr.com/contact): Support and contact options. - [Blog](https://uninstalr.com/blog/): Product articles and announcements. - [Sitemap](https://uninstalr.com/sitemap.xml): XML index of public website pages. - [AI catalog](https://uninstalr.com/ai-catalog.json): JSON catalog of site information and public resources.