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Upgrading to Windows 8



When you move from one version of an operating system to a new one, you need to pay attentionto several things. For example, your computer system might need to support certain requirementsregarding processor speed and available memory.Windows 8 comes in six versions, so you need to pick the one that’s right for your needs. Youalso need to be aware of compatibility issues between Windows 8 and software and hardware.The Windows 8 Setup program helps you identify compatibility issues, and Windows Update canhelp you update hardware drivers, the programs that help hardware interact with Windows.This appendix also provides a snapshot of what has changed between Windows 7 andWindows 8 so that you know how to find familiar features.Determining System RequirementsTo install Windows 8, your computer has to meet certain system requirements such as the speedof your computer processor or available memory. Check your manufacturer’s site for informationabout your model, or open the Control Panel from your computer, click System And Security, andthen click System to view details about it.Depending on the version of Windows 8 you have, your computer should have a minimum of:• 1-GHz or faster processor• 1 GB RAM for 32-bit; 2 GB RAM for 64-bit• 16 GB available hard disk space for 32-bit; 20 GB for 64-bit• DirectX 9 graphics device with WDDM 1.0 or higher driver• Touchscreen if you want to use touch input feature


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