Windows 8 and 8.1 System requirements
`
`Store
`
`Products
`
`Support
`
`Page 1 of 6
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`0
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`Sign in
`
`System requirements
`
`Windows 8.1
`
`• Processor. 1 gigahertz (GHz)* or faster with support for PAE, NX, and
`SSE2
`
`• RAM. 1 gigabyte (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
`
`If you're running Windows 8 you can get a free update to Windows 8.1. Just tap or
`click the Windows Store tile on your Start screen. Once you've moved up to
`Windows 8.1 you should get the update automatically. If you don't, follow these
`steps to get it manually using Windows Update.
`
`Additional requirements to use certain features:
`
`https://support.microsoft.com/en-us/help/12660/windows-8-system-requirements
`
`1/23/2017
`
`Microsoft, Ex. 1028
`Microsoft v. Bradium, IPR2016-00449
`
`
`
`Store
`
`Products
`
`Support
`
`Page 1 of 6
`
`0
`
`Sign in
`
`System requirements
`
`Windows 8.1
`
`• Processor. 1 gigahertz (GHz)* or faster with support for PAE, NX, and
`SSE2
`
`• RAM. 1 gigabyte (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
`
`If you're running Windows 8 you can get a free update to Windows 8.1. Just tap or
`click the Windows Store tile on your Start screen. Once you've moved up to
`Windows 8.1 you should get the update automatically. If you don't, follow these
`steps to get it manually using Windows Update.
`
`Additional requirements to use certain features:
`
`https://support.microsoft.com/en-us/help/12660/windows-8-system-requirements
`
`1/23/2017
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`Microsoft, Ex. 1028
`Microsoft v. Bradium, IPR2016-00449
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`
`
`Windows 8 and 8.1 System requirements
`
`Page 2 of 6
`
`• To use touch, you need a tablet or a
`monitor that supports multitouch
`
`• 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
`
`• Microsoft account required for some
`features
`
`• Internet access (ISP fees might apply)
`
`• Secure boot requires firmware that
`supports UEFI v2.3.1 Errata B and has
`the Microsoft Windows Certification
`Authority in the UEFI signature
`database
`
`• Some games and programs might
`require a graphics card compatible with
`DirectX 10 or higher for optimal
`performance
`
`• Watching DVDs requires separate
`playback software (more info)
`
`• BitLocker To Go requires a USB flash
`drive (Windows 8.1 Pro only)
`
`• BitLocker requires either Trusted
`Platform Module (TPM) 1.2 or a USB
`flash drive (Windows 8.1 Pro only)
`
`• Client Hyper-V requires a 64-bit system
`with second level address translation
`
`https://support.microsoft.com/en-us/help/12660/windows-8-system-requirements
`
`1/23/2017
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`Microsoft, Ex. 1028
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`Windows 8 and 8.1 System requirements
`
`Page 3 of 6
`
`(SLAT) capabilities and additional 2 GB
`of RAM (Windows 8.1 Pro only)
`
`• 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)
`
`• Miracast requires a display adapter
`which supports Windows Display Driver
`Model (WDDM) 1.3, and a Wi-Fi adapter
`that supports Wi-Fi Direct
`
`• Wi-Fi Direct Printing requires a Wi-Fi
`adapter that supports Wi-Fi Direct and a
`device that supports Wi-Fi Direct
`Printing
`
`• Free internet TV content varies by
`geography, some content might require
`additional fees (Windows 8.1 Pro Pack
`and Windows 8.1 Media Center Pack
`only)
`
`• To install a 64-bit OS on a 64-bit PC,
`your processor needs to support
`CMPXCHG16b, PrefetchW, and
`LAHF/SAHF
`
`• InstantGo works only with computers
`designed for Connected Standby
`
`We also recommend that you visit your PC
`manufacturer's website for info about updated drivers
`and hardware compatibility.
`
`*Prior versions of Windows, including Windows 8.1,
`
`https://support.microsoft.com/en-us/help/12660/windows-8-system-requirements
`
`1/23/2017
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`Microsoft, Ex. 1028
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`Windows 8 and 8.1 System requirements
`
`Page 4 of 6
`
`have limited support when running on new processors
`and chipsets from manufacturers like Intel, AMD,
`NVidia, and Qualcomm. For more information, please
`see the Support Lifecycle FAQ.
`
`Windows 8
`
`• Processor. 1 gigahertz (GHz)* or faster with support for PAE, NX, and SSE2 (more info)
`
`• RAM. 1 gigabyte (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
`
`Additional requirements to use certain features:
`
`• To use touch, you need a tablet or a monitor that supports multitouch
`
`• To access the Windows Store and to download and run apps, you need an active
`Internet connection and a screen resolution of at least 1024 x 768
`
`• To snap apps, you need a screen resolution of at least 1366 x 768 Internet access
`(ISP fees might apply)
`
`• Secure boot requires firmware that supports UEFI v2.3.1 Errata B and has the
`Microsoft Windows Certification Authority in the UEFI signature database
`
`https://support.microsoft.com/en-us/help/12660/windows-8-system-requirements
`
`1/23/2017
`
`Microsoft, Ex. 1028
`Microsoft v. Bradium, IPR2016-00449
`
`
`
`Windows 8 and 8.1 System requirements
`• Some games and programs might require a graphics card compatible with DirectX
`10 or higher for optimal performance
`
`Page 5 of 6
`
`• Microsoft account required for some features
`
`• Watching DVDs requires separate playback software (more info)
`
`• BitLocker To Go requires a USB flash drive (Windows 8 Pro only)
`
`• BitLocker requires either Trusted Platform Module (TPM) 1.2 or a USB flash drive
`(Windows 8 Pro only)
`
`• Client Hyper-V requires a 64-bit system with second level address translation (SLAT)
`capabilities and additional 2 GB of RAM (Windows 8 Pro only)
`
`• A TV tuner is required to play and record live TV in Windows Media Center
`(Windows 8 Pro Pack and Windows 8 Media Center Pack only)
`
`• Free Internet TV content varies by geography, some content might require
`additional fees (Windows 8 Pro Pack and Windows 8 Media Center Pack only)
`
`*Prior versions of Windows, including Windows 8, have limited support when running on new
`processors and chipsets from manufacturers like Intel, AMD, NVidia, and Qualcomm. For more
`information, please see the Support Lifecycle FAQ.
`
`Properties
`
`Article ID: 12660 - Last Review: Sep 9, 2016 - Revision: 30
`
`Applies to
`Windows 8.1
`
`https://support.microsoft.com/en-us/help/12660/windows-8-system-requirements
`
`1/23/2017
`
`Microsoft, Ex. 1028
`Microsoft v. Bradium, IPR2016-00449
`
`
`
`Windows 8 and 8.1 System requirements
`
`Page 6 of 6
`
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`© 2017 Microsoft
`
`https://support.microsoft.com/en-us/help/12660/windows-8-system-requirements
`
`1/23/2017
`
`Microsoft, Ex. 1028
`Microsoft v. Bradium, IPR2016-00449
`
`
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