According to the official HD Tune Changelog , version 5.75 introduced critical quality-of-life and hardware compatibility updates:

Scans your directory and breaks down which folders and files are hogging the most storage space.

Crucial Note for v5.75 Users:

The utility categorizes its functions into distinct tabs, each serving a specific diagnostic purpose: 1. Low-Level Benchmarking

Let me know what specific issue you are tackling so I can give you the exact steps to proceed! HD Tune website

If you want to dive deeper into testing your storage hardware, let me know: Are you testing a mechanical or a high-speed SSD ?

The software evaluates raw sustained performance by bypassing the Windows file system layer and reading directly from disk blocks.

– No installation needed. Right-click the .exe and select Run as Administrator (important for S.M.A.R.T. data).

Measures the read and write performance of your drive. The visual graph helps you spot sudden speed drops—a classic sign of a failing drive.

To get the most out of your diagnostic sessions, follow these best practices:

Percentage of CPU resources used during the test. 2. Information Tab (Drive Details)