Microsoft, under pressure from several sides to get its new operating system out the door, on Friday will deliver final Windows XP code to PC makers in a big way: via airdrop.

In a stunt involving Microsoft Chairman Bill Gates and Group Vice President Jim Allchin, helicopters will circle the company's Redmond, Wash., headquarters as the pair hand off Windows XP to PC makers, said sources familiar with the event. The helicopters are expected to be decorated with Windows XP and major PC maker logos.

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