Mac can be turned into Windows XP by uBar, LiteIcon and other programs. Is Haiku similar to BeOS?
Do you have read anything about haiku before you asking?
Haiku is a rebuild with many new features of beos.
Your first sentence is off-topic and a non-sequitur to your second. Please refrain from making every post about Windows XP.
WRT to “Is Haiku similar to BeOS?”, for various degrees of “similar” it’s yes, a bit, and no…
More info in the FAQ.