> Windows is most backward compatible software in existence. You were downvoted for saying this, but anybody who has read the Old New Thing blog (https://blogs

> Windows is most backward compatible software in existence. You were downvoted for saying this, but anybody who has read the Old New Thing blog (https://blogs.msdn.microsoft.com/oldnewthing/ https://blogs.msdn.microsoft.com/oldnewthing/) or Raymond Chen's chapter on Windows backwards compatibility (http://ptgmedia.pearsoncmg.com/images/9780321440303/samplechapter/Chen_bonus_ch01.pdf http://ptgmedia.pearsoncmg.com/images/9780321440303/samplech..., PDF) will be both impressed and horrified at the lengths the Windows team went to in order to avoid breaking programs.