Internet Explorer 9 system requirements
Computer/Processor
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Computer with a 1 gigahertz (GHz) 32-bit (x86) or 64-bit (x64) processor.
Operating System
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Windows Vista 32-bit with Service Pack 2 (SP2) or higher
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Windows Vista 64-bit with Service Pack 2 (SP2) or higher
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Windows 7 32-bit or higher
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Windows 7 64-bit or higher
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Windows Server 2008 32-bit with Service Pack 2 (SP2) or higher
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Windows Server 2008 64-bit with Service Pack 2 (SP2) or higher
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Windows Server 2008 R2 64-bit
Memory
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Windows Vista 32-bit – 512 megabytes (MB)
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Windows Vista 64-bit – 512 MB
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Windows 7 32-bit – 512 MB
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Windows 7 64-bit – 512 MB
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Windows Server 2008 32-bit – 512 MB
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Windows Server 2008 64-bit – 512 MB
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Windows Server 2008 R2 64-bit – 512 MB
Hard Drive Space
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Windows Vista 32-bit – 70 MB
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Windows Vista 64-bit – 120 MB
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Windows 7 32-bit – 70 MB
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Windows 7 64-bit – 120 MB
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Windows Server 2008 32-bit – 150 MB
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Windows Server 2008 64-bit – 200 MB
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Windows Server 2008 R2 64-bit – 200 MB
Drive
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CD-ROM drive (if installation is done from a CD-ROM)
Display
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Super VGA (800 x 600) or higher-resolution monitor with 256 colors
Peripherals
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Modem or Internet connection
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Microsoft Mouse, Microsoft IntelliMouse, or compatible pointing device
