Just a quick link this time:
https://stackoverflow.com/questions/3187444/convert-xml-string-to-object
Required Visual Studio 2012+ with .Net Framework >= 4.5 as project target
Copy content of your XML file to clipboard
Add to your solution new, empty class file (Shift+Alt+C)
Open that file and in menu click Edit > Paste special > Paste XML As Classes
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And that's it!
Thanks to Damian Drygiel for a great writeup