You can download a native Windows version from the GnuWin32 project . Alternatively, modern Windows users often use the Windows Subsystem for Linux (WSL) to access a real Linux version of gunzip.
If you prefer a graphical interface, popular tools like 7-Zip or WinRAR can easily open and extract .gz files without needing the command line. Essential Gunzip Commands
Below is a guide on where to download gunzip for your operating system and how to use it effectively.