Tablet boasts 11 percent share of the market.
According to advertisement-based statistics, Microsoft's Surface RT tablet is the most popular device powered by Windows 8.
"Surface is already the most popular single device running Windows 8/RT with 11 percent of the overall 'market,'" said AdDuplex, a Windows ad-serving business.
Although specific sale figures for Microsoft's tablet have yet to be unveiled, analysts have suggested that sales at Microsoft stores were strong during the product's launch. Pre-orders also showed signs of promise with the $499 model selling out shortly after pre-sales commenced, which was followed by all variants of Surface selling out.
The Hewlett-Packard Pavilion g6 laptop came in at second place in the list with 2 percent. That said, other HP laptop models registered for five percent of the most popular Windows 8 devices. HP was the largest brand relating to Windows 8/RT devices with 17 percent. Microsoft followed in second place with 11 percent, while Dell was third with 10 percent and Acer fourth with 9 percent.
As for Windows Phone devices, Nokia's Lumia 710 claimed the number one spot with 22 percent, while other Lumia phones, such as the Lumia 800, attributed for a considerable proportion of the remaining share. Elsewhere, Microsoft's Windows Phone 7.10 operating system boasted a 96 percent share, while the just-launched Windows Phone 8 settled for four percent.