Good!
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yes, some resources here and here (but it should not be that much different than an installation on actual ubuntu, besides maybe the fact you need Xming as an X11 server)
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there is experimental support, see e.g. the 6.22 release page – we test ROOT on windows and a large part of the features work. It would be great if you could open another forum topic about the difficulties you had with windows
Cheers,
Enrico