HP is providing Windows 8.1 drivers for your HP Pavilion TouchSmart 15t-n100 CTO Notebook Computer. This most likely means HP has tested your computer model with Windows 8.1and it should work fine. Windows 8.1 drivers for your computer are located on the HP Pavilion TouchSmart 15t-n100 CTO Notebook PC Drivers page.
If you have any further questions, please don't hesitate to ask.
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