Installing on Windows is easiest through the libxml2 package . While it’s a Linux staple, you can run it natively or via a compatibility layer. Option 1: Native Installation (libxml2) The xmllint tool is part of the libxml2 library.
Extract the contents of the bin folder from zip files into C:\xmllint . How To Install Xmllint Windows
: If you use Cygwin, you can install the libxml2 package through the Cygwin setup utility to get xmllint in a Unix-like environment. Installing on Windows is easiest through the libxml2 package
MinGW is a free and open-source software development environment for Windows. Here's how to install xmllint using MinGW: How To Install Xmllint Windows
choco install libxml2