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How To Check If My System Is32-bit Or64-bit

To determine which type of OS your machine is running use the following methods:

Windows 8:

   1. Open the sidebar menu and click settings.
   2. Open Control Panel and look in the top right.
      a. If it says Sort by: Categories, click System and Security and then System.
      b. If it says Sort by: Large/Small Icons, Click System.

Windows 7:

Method 1

   1. Click Start, then click on the Search field.
   2. Type msinfo32.exe and then press Enter key.
   3. In “System Information”, review the value for the System Type item:
          * For 32-bit editions of Windows, the value of the System Type item is x86-based PC.
          * For 64-bit editions of Windows, the value of the System Type item is x64-based PC.

Method 2

  1. On your keyboard press Start key and Pause at the same time to open System window in Control Panel
   2. Read the system type: "32-bit Operating System" and "64-bit Operating System" will tell you which you have

Windows Vista:

Method 1

   1. Click Start, then click on Run or Start Search.
   2. Type msinfo32.exe and then press Enter key.
   3. In “System Information”, review the value for the System Type item:
          * For 32-bit editions of Windows, the value of the System Type item is x86-based PC.
          * For 64-bit editions of Windows, the value of the System Type item is x64-based PC.

Method 2

   1. Click Start, type system in the “Start Search” box, and then click system in the “Programs” list.
   2. The operating system appears as follows:
          * For a 64-bit version operating system: 64-bit Operating System appears for the “System type” under “System”.
          * For a 32-bit version operating system: 32-bit Operating System appears for the “System type” under “System”.

Method 3

   1. Click Start, type system in the “Start Search” box, and then click System Information in the “Programs” list.
   2. The operating system appears as follows:
          * For a 64-bit version operating system: x64-based PC appears for the “System type” under “Item”.
          * For a 32-bit version operating system: x86-based PC appears for the “System type” under “Item”.

Windows XP Professional

Method 1

   1. Click Start, then click on Run or Start Search.
   2. Type msinfo32.exe and then press Enter key.
   3. In “System Information”, review the value for the System Type item:
          * For 32-bit editions of Windows, the value of the System Type item is x86-based PC.
          * For 64-bit
            editions of Windows, the value of the System Type item is x64-based PC.

Method 2

   1. Click Start, click Run, type sysdm.cpl, and then click OK.
   2. Click the General tab
      . The operating system appears as follows:
          * For a 64-bit version operating system: Microsoft Windows XP Professional
            x64 Edition Version <Year> appears under System.
          * For a 32-bit version operating system: Microsoft Windows XP Professional Version <Year> appears under System.

      Note <Year> is a placeholder for a year. 

Method 3

   1. Click Start, click Run, type winmsd.exe, and then click OK.
   2. In the details pane, locate Processor under Item. Note the value.
          * If the value that corresponds to Processor
            starts with x86, the computer is running a 32-bit version of the Windows operating system.
          * If the value that corresponds to Processor starts with ia64 or AMD 64, the computer is running a 64-bit version of the Windows operating system.


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