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Only two more Windows RT devices, the Microsoft Surface 2 and Nokia Lumia 2520 in late-2013, were released outside of the five original launch devices, and no Windows RT counterpart of the Surface Pro 3 was released due to a re-positioning of the Surface line into a high-end market, and a switch to Intel architecture for the Surface 3.
However, while Windows RT inherits the appearance and functionality of Windows 8, it has a number of limitations; it can only execute software that is digitally signed by Microsoft (which includes pre-loaded software and Windows Store apps), and it lacks certain developer-oriented features.
Windows RT was released to mixed reviews from various outlets and critics.
Steven Sinofsky, then Windows division president, demonstrated an early version of a Windows port for the architecture, codenamed Windows on ARM (Wo A), running on prototypes with Qualcomm Snapdragon, Texas Instruments OMAP, and Nvidia Tegra 2 chips.
The prototypes featured working versions of Internet Explorer 9 (with Direct X support via the Tegra 2's GPU), Power Point and Word, along with the use of class drivers to allow printing to an Epson printer.
Steven Sinofsky stated that Microsoft would ensure the differences between Windows RT and 8 were adequately addressed in advertising.