- Right-click the Windows icon and select Run to open the command prompt.
- Type regedit and press Enter.
- Navigate to HKEY_Local_Machine > SOFTWARE > Policies > Microsoft > Windows, then right-click the Windows directory and select New > Key.
- Name the new folder Windows Search.
- Right-click the Windows Search folder and select New > DWORD (32-bit) Value.
- Name the new file AllowCortana.
- Double-click the AllowCortana file to open it, set the value to 0, then select OK.
- Close the Registry Editor and restart your computer.