I've seen Windows 7 sales data back to late 2009, and this has consistently shown that most copies of Windows 7 sold with new PCs are, in fact, 64-bit versions.

I think that last bit is, perhaps, the most interesting. had a 64-bit edition of Windows 7 pre-installed. According to Stephen Baker at NPD, 77% of PCs sold at retail in April 2010 in the U.S. We have seen many OEMs convert entire consumer lines of PCs to 64-bit only – which can be seen quite a bit today in North America. There are also more and more compatible devices and applications for PCs running 64-bit Windows 7. And most major processors in PCs today are capable of running a 64-bit OS. The first is the price of memory has dropped over the last several years making it easier for OEMs to up the amount of memory in the PCs they ship. The reason for the jump in transition to 64-bit PCs can be attributed to a few things. With Windows 7, running a 64-bit OS is becoming the norm. Compared to Windows Vista at 3 and a half years after launch, only 11 percent of PCs running Windows Vista worldwide are running 64-bit. That is, nearly half of all PCs running Windows 7 are running 64-bit. Microsoft posts some interesting information about the uptick in 64-bit versions of Windows 7.Īs of June 2010, we see that 46 percent of all PCs worldwide running Windows 7 are running a 64-bit edition of Windows 7.

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