If you didn’t grab it earlier, the Microsoft’s Windows 8 operating system is now finally up for public consumption.

That said; the new Windows 8 OS is now available globally in more than 140 markets and in over 37 languages. You can snap up either Windows 8 or Pro version of the operating system starting today from 12.01am local time through Amazon, Best Buy and Staples.

Meanwhile, the new OS also will be available via Microsoft’s online store later on.

Interested parties can own the Microsoft’s latest OS for $40. Though, do note that if you have purchased a Windows 7-running device since June 2, you will be cost $15 only. If you’re interested to pick up the Redmond’s latest OS online from the company itself, you might want to head over to the source links below.

Update: You can also grab yourself a free Media Centre Upgrade, go here.

Source: Microsoft (1), (2) [Upgrade from Win7]