In this way, you can retrieve the Microsoft Win8.1 Preview Experience Index

and say "Windows Experience Index", which is derived from Windows Vista (1 - 5.9), Windows 7 (1 - 7.9), Windows 8 (1 - 9.9), but look It's coming to Windows 8.1, at least in the Win8.1 preview is hidden.
When Windows RT was officially launched in October last year, the Windows Experience Index feature was removed; only Win8 kept it and raised the highest rating to 9.9. Now, although the Windows Experience Index is not visible in the Win8.1 preview, Microsoft has not completely removed it. The Windows system evaluation tool WinSAT.exe is still in the "C:\\Windows\\Performance" folder of the Win8.1 preview. under.
Now, talk about how to find the Windows Experience Index in the Win8.1 preview:
Special Forecast: The Rubik's Cube Optimization Master of Soft Media or Win8 Optimization Master will provide similar direct entrance to everyone, novice friends. It will be convenient.
First, run winsat -help as an administrator, you can view the command line usage related to the Windows system evaluation tool:

Second, run winsat formal as an administrator, start the Windows system evaluation tool < Br>
3: The data generated by running the Windows System Assessment Tool is located at: C:\\Windows\\Performance\\WinSAT\\DataStore

IV, with "%SystemRoot%\\explorer.exe /E,:: {ED2