How to Check if you have a 32-bit or 64-bit CPU on any operating system.

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Microsoft Windows 10

If your computer uses Windows 10, then you can do the following

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Open the Windows Settings by pressing Windows + I

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Head out to System > About

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On the right side, look for the “System type” entry

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It will show you two pieces of information, If you’re using a 32-bit or 64-bit operating system and whether you have a 64-bit capable processor to run the operating system.

Microsoft Windows 8 and Windows 8.1

If your computer uses Windows 8 or 8.1, then you can do the following

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Swipe in from the right edge of the screen, and then tap Search. Or, if you are using a mouse, point to the lower-right corner of the screen, and then click Search.

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Type system in the search box, and then tap or click Settings.

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Tap or click System.

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If you are running a 64-bit version of Windows 8, 64-bit Operating System is displayed in the System type field under the System heading. If you are running a 32-bit version of Windows 8, 32-bit Operating System is displayed in the System type field under the System heading.

Microsoft Windows Server 2003

If your computer uses Windows Server 2003, then you can do the following

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Click Start, and then click Run

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Type winmsd.exe, and then click OK

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When System Summary is selected If the value that corresponds to the processor starts with x86, the computer is running a 32-bit version of Windows.

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If the value that corresponds to Processor starts with EM64T or IA-64, the computer is running a 64-bit version of Windows.

Microsoft Windows 7

If your computer uses Windows 7, then you can do the following

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Choose Start > Control Panel.

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If the Control Panel is in a category view, then click System And Maintenance. On the next screen, click System.

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If the Control Panel is in Classic View, then double-click System.

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Look for 32-bit Operating System or 64-bit Operating System next to System Type.

Microsoft Windows Vista

If your computer uses Windows 7, (Its probably time for an upgrade) then you can do the following

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Choose Start > Control Panel.

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If the Control Panel is in a category view, then click System And Maintenance. On the next screen, click System.

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If the Control Panel is in Classic View, then double-click System.

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Look for 32-bit Operating System or 64-bit Operating System next to System Type.

Microsoft Windows XP

If your computer uses Windows XP, (Its probably time for an upgrade). But you can do the following

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Choose Start > Control Panel (or Start > Settings > Control Panel).

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If the Control Panel is in a Category View, then click Performance And Maintenance. On the next screen, click See Basic Information About Your Computer.

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If the Control Panel is in Classic View, then double-click System.

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In the System Properties window, click the General tab.

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If the text beneath System says Microsoft Windows XP Professional x64 Edition, then you are running a 64-bit edition of Windows XP. Otherwise, you are running a 32-bit edition.

Apple Mac OS

If you have a Apple Product, you can check by the following method.

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Click the Apple icon in the menu bar

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Select the About This Mac option in the Apple menu

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On the About This Mac window, click the More Info option

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Open the Hardware section and find the Processor Name attribute

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Just do a search for the processor name on the internet and you will find the type of processor it uses.

Processor CPU Type
Intel Core Duo or Solo
32 Bit CPU
Intel Core 2 Duo
64 Bit CPU
Intel Xeon processor
64 Bit CPU
Intel Core i3 Processor
64 Bit CPU
Intel Core i5 Processor
64 Bit CPU
Intel Core i7 Processor
64 Bit CPU
M1
AArch64 or ARM64

Most of the recent computers that Apple Manufactures comes in 64 Bit Variant only. While the recent M1 Processers are typically 64 Bit extension of the AArch64 or ARM64

Linux Systems

If you use a Linux System, perform the following operations. 

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Open the command line interface

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Enter the following command : grep flags /proc/cpuinfo

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Check for "lm" keyword in the output screen.

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If "lm" is found the CPU is a 64 Bit Machine

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If you see i386, i486, i586, or i686 in the output results, then the CPU should be a 32-bit machine

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