Free XML Explorer and Validator
XML Explorer is a free and lightweight xml file viewer and validator, it is totally free and provided by Microsoft as open source meaning you can check out the underlying code and and integrate it in to your own projects.
It validates against the XSD Schema.
Find it here http://xmlexplorer.codeplex.com/
This will work under pretty much any installation of window from XP onwards.
If you would like help with your computer or laptop then please contact us or visit our IT Support Page.
