OEMs have finally embraced the architecture, with some converting their entire consumer lineups to 64-bit-only machines. NPD says that 77% of retail PCs sold in the US during April 2010 ran the updated architecture – but it's not just end users buying into 64-bit computing.
Gartner estimates that 75% of all businesses will ditch 32-bit systems by 2014, and Intel recently migrated to a 64-bit environment to take advantage of features such as support for more than 4GB of RAM and additional security benefits.
Are you among the 54% on a 32-bit copy of Windows 7? What's stopping you from making the switch? If you're teetering on the fence about what version of Windows to install, we have a quick overview of the topic here.