查看“Windows RT 8.1”的源代码

{{DISPLAYTITLE:Windows RT 8.1}}
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{{Infobox Windows
|image = 
|imagecaption = Windows RT 8.1
|codename = Blue RT
|kernel = 6.3
|arch = ARM
|release = 2013/11/13
|supportmain = 2018/1/9
|supportend = 2023/1/10
|agreement = EULA
|rtm =  '''[[Windows RT 8.1:6.3.9600.16384.winblue_rtm.130821-1623|6.3.9600.16384.winblue_rtm.130821-1623]]'''
|previous = [[Windows RT]]
|countpart = 无
|next = [[Windows 10]] for ARM devices
}}

Windows RT 8.1（开发代号 "Windows RT Blue"）是由微软针对移动设备开发的一款操作系统。它本质上是Windows 8.1为(ARMv7)架构而开发的定制版本. Windows RT 8.1只能被OEM预装在设备上。该系统适用于电池使用时间更长且专为在旅途中使用而设计的轻薄型电脑。