Microsoft provided the Windows Experience Index (WEI) Score for Windows 7/8 but it has been removed from Windows 10. But you can still run tests and get a score using Windows PowerShell.
I will show you how to get Windows Experience Index (WEI) Score in and Windows 10.
Step 1. Close all apps and programs
For Windows Experience Index benchmark runs for the best results, close all apps and programs.
Step 2. Open Windows Power Shell
Right-click on Windows Start Menu to open Windows PowerShell.
Step 3. Run “Windows Experience Index” benchmark program
Type the following command to run “Windows Experience Index” benchmark program.
winsat formal
Step 4. Find the result file
After the benchmark is finished, Open the following folder.
C:\Windows\Performance\WinSAT\DataStore
Find the file titled “Date + Formal.Assessment (Initial).WinSAT“.
Step 5. Drag and Drop the “winSAT” file to “WEI Viewer” web tool
Drag and Drop the “WinSAT” file to WEBmarks web tool.
Step 6. Check the result
You can see the WEI score like Windows 7.