Steps to Update /Refresh Windows Experience Index (WEI) Score in Windows 8

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In this tutorial you will get to know how you can update or Refresh Windows Experience Index (WEI). First let us know what is WEI? WEI measures the capability or is performance appraisal of your computer’s hardware embedded in the system along with the software configuration installed and expresses the measurement in a form of number called a base score. The higher the bases score for your Windows faster is the system in comparison with the system whose WEI has lowest base score. Here is the tutorial about how you can update or refresh WEI in Windows 8.

wei update refresh windows 8

Each and every piece of hardware unit embedded in your PC has its own base score called subscore. The total base score is determined by not taking an average of all subscores, but the lowest individual subscore. Subscores lets you know about the performance of the hardware unit in the system. This measurement also helps you to decide whether you need to upgrade some parts of your PC or not.

In Windows 8, the WEI scores range on a scale of 1.0 to 9.9. Here is the tutorial how you can update or refresh your Windows Experience Index (WEI) score to know the performance or capability of your Windows 8 PC.

Before moving on to the steps make sure that you are logged in as an administrator in order to run Windows Experience Index (WEI). The WEI log file is located at: C:\Windows\Performance\WinSAT\winsat.log

Steps to Refresh Windows Experience Index (WEI) Score in Windows 8

First open System to update WEI, to do so, you can either of the ways described below

  • Press Windows key + Pause/Break keys and release


  • Press Windows + X to open the Power User Tasks Menu and select System

Power User Tasks menu


  • Open the system Control Panel in icons view and select the System icon
  • Now, either select System rating is not available or Windows Experience Index or Your Windows Experience Index needs to be refreshed link based upon your selected preference

First time sys ratingrefresh update wei

  • Next, depending upon whatever option you have chosen above, either click on the Rate this computer button or Re-run the assessment link or Refresh Now button

First time sys rating 2re run refresh

  • Now you can see the Status window onscreen
  • It takes few minutes to get update and once it is done you will see your updated WEI base score.

To get the best WEI score possible, allow you system to sit idle while it is updating.

If you want to get the updated WEI (Windows Experience Index) for your Windows 8 PC, follow the steps described above.


Priyanka contributes to the Computer and Gadgets section on Techcular.

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