Which Windows operating system am I running?

This device isn't running a Windows operating system

If you want to check another PC or if you want find out more about this PC, try the following steps.

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Check for operating system info in Windows 10

  1. Go to Start Start menu icon, enter About your PC, and then select About your PC.
  2. Look under PC for Edition to find out which version and edition of Windows that your PC is running.

  3. Look under PC for System type to see if you're running a 32-bit or 64-bit version of Windows.

Check for operating system info in Windows 8.1 or Windows RT 8.1

  1. Swipe in from the right edge of the screen, tap Settings, and then tap Change PC settings.
    (If you're using a mouse, point to the lower-right corner of the screen, move the mouse pointer up, click Settings, and then click Change PC settings.)
  2. Tap or click PC and devices, and then tap or click PC info.

  3. Look under Windows for the version and edition of Windows that your PC is running.

  4. Look under PC for System type to see if you're running a 32-bit or 64-bit version of Windows.

    PC info page in PC settings

    The Start screen can also help you know which operating system you're using. Here's what it might look like in Windows 8.1 and Windows RT 8.1. You might see a search button in the upper-right corner.

    Start screen in Windows 8.1 Update and Windows RT 8.1 Update

Check for operating system info in Windows 8 or Windows RT

  1. On the Start screen, type Computer, press and hold or right-click Computer, and then tap or click Properties.

  2. Look under Windows edition for the version and edition of Windows that your PC is running.

  3. Look under System for System type to see if you're running a 32-bit or 64-bit version of Windows.

    System settings in Control Panel

The Start screen can also help you know the operating system. Here's what it might look in Windows 8 and Windows RT.

Start screen in Windows 8 and Windows RT

Check for operating system info in Windows 7 or Windows Vista

  1. Click the Start button Start button, enter Computer in the search box, right-click Computer, and then click Properties.
  2. Look under Windows edition for the version and edition of Windows that your PC is running.

The Start menu can also help you know the operating system. Here's what it might look like in Windows 7 and Windows Vista.

Start menu and search box in Windows 7 and Windows Vista

Check for operating system info in Windows XP

  • Click the Start button Start button, click Run, type winver, and then press Enter.