In versions of Windows 7 and 8 (but NOT 8.1) this tool displayed performance numbers called the WINDOWS PERFORMANCE INDEX shown in the SYSTEM INFORMATION.  In Windows 8.1 WINDOWS PERFORMANCE INDEX is gone but WinSAT still exists and can be run by:

  1. Pressing the WINDOWS KEY + R (to bring up a RUN dialog box)
  2. typing WinSAT.exe formal


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SOLVED: Windows 8 and Defrag’ing SSD’s - Up & Running Technologies Calgary · December 4, 2013 at 12:29 am

[…] You can force Windows 8 (and Windows 8.1) to evaluate your disks to see if you have an SSD by simply running the WINSAT (Windows System assessment) Tool. […]

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