"More than 10 million customers worldwide have purchased either a Windows 98 retail upgrade or a new Windows 98 PC since the operating system was released on June 25." - Microsoft, 20th October 1998.vs. [link|http://www.microsoft.com/presspass/Press/2001/Nov01/11-11XPComdexPR.asp|Windows XP Sales Reflect Overwhelming Consumer Excitement
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more than 7 million copies of Windows XP have been sold in the two weeks since its global launch. The 7 million copies of Windows XP were sold by Microsoft to computer manufacturers for use on new personal computers and through upgradesNote that that's a comparison of consumer sales, vs. OEM sales (sales to OEMs, not necessarially purchased by consumers). And last I checked, 7 < 10.