x64dbg

This is a tool to "take apart" how software runs on Windows, letting you see what the code is doing at the bottom level. It acts like a microscope for program execution, helping you monitor memory and instructions.

Solves the pain of not understanding software logic, allowing you to analyze behavior without waiting for official source code. It replaces traditional black-box testing, letting you directly intervene in the program run process.

Security researchers, reverse engineers, CTF competition players, geeks wanting to deeply understand program principles, and developers needing to debug native Windows code.

Used to analyze how viruses or malware run. Used to fix software activation checks or modify functionality. Used to study game modifications or mechanics. Used to troubleshoot hard-to-reproduce low-level program bugs.

Completely free and open-source, with a powerful plugin ecosystem. Excellent support for 64-bit programs, interface is friendlier than traditional debuggers. Features are customized for reverse engineering, not a replacement for general IDEs.

No coding needed, but requires some assembly language knowledge and computer basics. Difficult for beginners to start directly, learning basic reverse engineering concepts first is recommended.