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Determine a Windows Computer's Service Pack Level


This document explains how to determine what Windows Service Pack is currently installed on a Windows XP or Windows Vista/7 computer. This information is necessary to know for certain processes and software installations, as they require a certain Service Pack level in order to be completed successfully.


  1. Click the Start menu button and right-click Computer (or My Computer).
  2. Click Properties.
  3. If running Windows XP, the information is located in the System section of System Properties.  If the line stating the level of Windows XP is followed by “x64 Edition”, the computer is running Windows XP 64-bit.  If it does not say “x64 Edition”, then the computer is running Windows XP 32-bit.  The service pack version loaded is stated in this section as well.

    System Properties window, General tab
  4. If running Windows Vista or Windows 7, the Windows edition section contains the information about which operating system is running, as well as which Service Pack level is loaded.  In the System section, the System type will show if the computer is running a 32-bit or 64-bit operating system.

    System Properties window


  1. If you are unsure whether the computer is up-to-date on Service Packs and Critical Updates or, after checking, it is not at or above the level of Service Pack specified for a particular process or software installation, go to How to Install and Run Windows Automatic Updates ( for instructions on updating your computer through the Windows Update Web site.


Reviewed: 0111 By: AH

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