To use certain specific functions in WIN8 system, you need to meet the following additional requirements:
To use touch, you need a tablet or monitor that supports multi-touch.
Accessing the Windows Store to download and run apps requires an active Internet connection and a screen resolution of at least 1024 x 768.
To snap the app, a screen resolution of at least 1366 x 768 is required.
Internet access (ISP fees may apply).
Secure Boot requires that the firmware supports UEFI v2.3.1 Errata B and that the Microsoft Windows Certificate Authority is in the UEFI signature database.
Some games and programs may require a DirectX 10 or later-compatible graphics card for optimal performance.
Certain features require a Microsoft account.
Playing DVD requires additional playback software.
Windows Media Center licenses are sold separately.
BitLocker To Go requires a USB flash drive (Windows 8 Pro only).
BitLocker requires Trusted Platform Module (TPM) 1.2 or a USB flash drive (Windows 8 Pro only).
Client Hyper-V requires a 64-bit system that supports Second Level Address Translation (SLAT) and an additional 2 GB of memory (Windows 8 Pro only).
A TV tuner is required to play and record live TV in Windows Media Center (Windows 8 Professional Pack and Windows 8 Media Center Pack only).
Free Internet TV content varies by region, and some content may require additional charges (Windows 8 Professional Pack and Window TV only)s 8 Media Center package).