Microsoft Windows 8 system requires the final full version

        Windows8 has finally been officially released. Microsoft Windows official website provides you with the latest version of Windows8 system requirements, you can use as a reference, in fact, almost all Windows7 computer upgrade Win8 is stress-free, of course, Win7 tablet with Intel "Cedar Trail" Atom processor The exception is the netbook, which is caused by the processor architecture design.
Windows 8 System Requirements: http://windows.microsoft.com/en-us/windows-8/system-requirements
If you want to run Windows 8 on your computer, the following conditions must be met:
Processor : 1 GHz or faster (supports PAE, NX, and SSE2) (details)
RAM: 1 GB (32-bit) or 2 GB (64-bit)
Hard disk space: 16 GB (32-bit) or 20 GB (64-bit)
Graphics Card: Microsoft DirectX 9 Graphics Device with WDDM Driver

To use certain features, you need to meet the following additional requirements:
To use touch Features, you need a multi-touch tablet or monitor (details)
To access the Windows Store and download and run the app, you need an active Internet connection and a screen resolution of at least 1024 x 768
To drag and drop programs, you need a screen resolution of at least 1366 x 768
Internet access (possibly generating ISP fees)
Safe Boot requires firmware to support UEFI v2.3.1 Errata B and has a UEFI signature database Microsoft Windows Certification Authority
Some games and programs Graphics cards may be required to be compatible with DirectX 10 or higher for optimal performance. Some features require a Microsoft account.
Watching DVDs requires separate playback software (details)
Windows Media Center licenses are sold separately (Details)
BitLocker To Go Requires USB flash drive (Windows 8 Pro only)
BitLocker requires Trusted Platform Module (TPM) 1.2 or USB flash drive (Windows 8 Pro only)
Client Hyper-V requires a 64-bit system with secondary address translation (SLAT) and an additional 2 GB of RAM (Windows 8 Pro only)
TV tuner is required to play and record live TV shows in Windows Media Center (only Limited to Windows 8 Pro Pack and Windows 8 Media Center Pack)
Free Internet TV content varies from region to region, and some content may require additional fees (Windows 8 Pro Pack and Windows 8 Media Center Pack only)

You can run the Upgrade Assistant to check if your computer meets these requirements.