Find if I’ve a 32-bit or 64-bit Windows

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To determine whether your computer is running a 32-bit or 64-bit version of the Microsoft Windows operating system, please follow the steps below:

Windows XP:

  1. Click Start > Run.
  2. Type “msinfo32.exe” then click OK.
  3. On the navigation pane, select System Summary.
  4. Locate Processor under Item in the details pane. Take note of 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 AMD64, the computer is running a 64-bit version of the Windows operating system.

Windows Vista:

  1. Click on the Windows orb (Start) start-s.
  2. Type “system” in the Start Search box, and then click System in the Programs list.
  3. The operating system appears as follows:
    • For a 64-bit version operating system: “64-bit Operating System” appears as the System type under System.
    • For a 32-bit version operating system: “32-bit Operating System” appears as the System type under System.

Windows 7:

  1. Click on the Windows orb (Start) start-s.
  2. Type “system” in the Search Programs and Files field, and then click System in the Programs list.
  3. The operating system appears as follows:
    • For a 64-bit version operating system: “64-bit Operating System” appears as the System type under System.
    • For a 32-bit version operating system: “32-bit Operating System” appears as the System type under System.
Last Updated On August 29, 2019