Just a few months after Microsoft celebrated the first anniversary of its latest operating system with the Windows 10 Anniversary Update, the company has finally stopped selling Windows 7 Professional and Windows 8.1 licenses to PC OEMs as of yesterday, October 31 (via VentureBeat). While some retailers may still have stock of these old machines, Windows 10 has now become the only way to go for PC manufacturers.

As a reminder, Microsoft already stopped selling Windows 7 and Windows 8.1 licenses to consumers back in October 2013 and September 2015, respectively:

Read more: Microsoft's sales of Windows 7 and 8.1 licenses to OEMs has ended ? WinBeta

See also: Windows lifecycle fact sheet