Upgrade your Surface RT / Windows RT Device 8.1 Preview to 8.1 RTM

I’ve been running the 8.1 Preview on my Windows RT device since it was available. It was a nice improvement. Yesterday the RTM version of 8.1 was available, and I wanted to get it on my Surface RT running Windows RT. I checked Windows Update and it wasn’t an option. I checked the Store, and…

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