Tuesday, March 31, 2015

How to Check if Your Computer Is 64 Bit

This article explains how to determine whether your computer/server is running a 32-bit or 64-bit version of a MS Windows Operating System.

Method 1 of 3: For Windows 7/Vista/Server 2008/R2

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    (1) Click on the Start Button: (2) Type 'System' in the Start Search box, and then (3) click "System" in the Programs list.
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    In the "System" window it will state either "32-bit Operating System" or "64-bit Operating System".

Method 2 of 3: For Windows XP/2000/Server 2003

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    Press the WIN+R keys (Windows key and R). Type the following: sysdm.cpl and click OK.
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    Click on "System Summary": Under "System Type" it will either state "x86" if a 32-bit version of Windows is installed, or "EM64T" if a 64-bit version of Windows is installed.

Method 3 of 3: For Mac OS X

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    Launch Terminal app (see Applications/Utilities)
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    At prompt, type the following: "uname -a" (without the quotes) (note the blank space between "uname" and "-a" strings.
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    The terminal will display two lines of text. At the end of the 2nd line, you'll find something like either
    1. RELEASE_I386 i386 ; the latest "i386" means that you're running 32bits kernel
    2. RELEASE_X86_64 x86_64 ; the latest "x86_64" means that you're running 64bits kernel
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