Microsoft: Four million Windows 8 upgrades so far October 30, 2012 by admin Tweet Microsoft CEO Steve Ballmer has confirmed today that since Friday’s launch,, the company has already sold four million upgrades to the Windows 8 operating system. Read more… Neowin Related Posts:Microsoft may have unknowingly unblocked Windows 11…In-place Windows 11 upgrades on ReFS may no longer…Microsoft making new reminders to push OneDrive…Windows 11 24H2 will bring significant file system…Microsoft Weekly: Windows 11 features leak, Teams…