Claude spends 18 hours solo-building a Windows XP clone called Macrohard

FinanceYF5 · x · 2026-10-06

FinanceYF5 gave Claude 18 hours of autonomous work and got back "Macrohard" — what he calls the best Windows XP recreation yet, remarkable enough that he says it's hard to believe AI built it independently.

Original post →

More from Fun

Fun channel →