Don’t worry. Here are three reliable ways to get xmllint running on your Windows machine, from easiest to most "pro." Windows 11 and modern Windows 10 come with winget , Microsoft’s package manager. This is by far the fastest method.
The catch? It comes natively with Linux and macOS, but not Windows. How To Install Xmllint Windows
Look for the latest libxml2-2.x.x-win32-x86_64.zip (or win32 if you need 32-bit). Unzip the archive to a permanent location, like C:\Program Files\libxml2 . Don’t worry
Now go validate some XML like a proper terminal wizard. Have a different XML tool you swear by? Let me know in the comments below. How To Install Xmllint Windows