
Miracast requires a display adapter which supports Windows Display Driver Model (WDDM) 1.3, and a Wi‑Fi adapter that supports Wi‑Fi Direct.
A TV tuner is required to play and record live TV in Windows Media Center (Windows 8.1 Pro Pack and Windows 8.1 Media Center Pack only). Client Hyper-V requires a 64-bit system with second level address translation (SLAT) capabilities and additional 2 GB of RAM (Windows 8.1 Pro only). BitLocker requires either Trusted Platform Module (TPM) 1.2 or a USB flash drive (Windows 8.1 Pro only). BitLocker To Go requires a USB flash drive (Windows 8.1 Pro only). Watching DVDs requires separate playback software ( more info). Some games and programs might require a graphics card compatible with DirectX 10 or higher for optimal performance. Secure boot requires firmware that supports UEFI v2.3.1 Errata B and has the Microsoft Windows Certification Authority in the UEFI signature database. Microsoft account required for some features. To access the Windows Store and to download, run, and snap apps, you need an active Internet connection and a screen resolution of at least 1024 x 768. To use touch, you need a tablet or a monitor that supports multitouch. Additional requirements to use certain features: If you don’t, follow these steps to get it manually using Windows Update. #WINDOWS 8.1 64 BIT UPDATE#
Once you’ve moved up to Windows 8.1 you should get the update automatically. Just tap or click the Windows Store tile on your Start screen. If you’re running Windows 8 you can get a free update to Windows 8.1. Graphics card. Microsoft DirectX 9 graphics device with WDDM driver.
Processor. 1 gigahertz (GHz)* or faster with support for PAE, NX, and SSE2.