After downloading and starting the utility (there's nothing to install), it's as easy as . . . 1 . . . 2 . . . 3
1. Click the “Nameservers” tab to select the main benchmark display and data pages.
2. Click the “Run Benchmark” button (it may take a moment to become enabled).
3. Click and read the “Conclusions” tab after the benchmark completes.
Source : GRC