TweakNow HD-Analyzer is a free and simple application to analyze hard disk to find out how hard disk space is being used by files and folders. To start analyzing your hard disk drive, simply select the drive from the menu and click on Scan Drive button. You can also limit the analyzing process to certain folder only. Click on the Scan Folder button to choose folder to analyze or open the drop down menu to quickly analyze common folder, such as: Documents, Music, Pictures, or Video folder. The scan process may take about 5-15 minutes to complete. The time needed to complete the scan process will be very depends on number of files and folder in your hard disk drive. The amount of space used by each folder visualize in a tree view with a simple bar graph. The program also provides list of common files found during the analyzing process. The files grouped based on its type and sorted by its size.