CmzPrep is a free Windows system reinstall and deployment tool that supports multiple image formats such as WIM, ESD, and ISO, compatible with Windows 7 through 11. It uses a lightweight PE environment, offers quick reinstall and data-retention features, has a clear and intuitive interface, and comes with detailed error reports. It's suitable for ordinary users and IT admins who need an efficient, stable system reinstall. No USB drive needed—one-click system reinstall, simple and convenient.

Software Features
Supports WIM / ESD / ISO image formats, compatible with the full Windows 7–11 series.
Offers a quick-reinstall mode using a lightweight PE environment, effectively boosting deployment efficiency and reducing wasted occupancy.
Supports (Beta) data-retention reinstall, keeping installed programs and app data, and supports online app recovery.
Main interface is clear and easy; a detailed error-reporting mechanism helps troubleshoot during reinstall.
Completely free; no bundled software auto-installed—clean and reliable.
Built-in system download: click to download the OS and reinstall without a USB drive.
Software Screenshots



This course comes with a materials pack. Members receive the access link by email after requesting the course.