SizeExplorer 4.11 was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this software available.
According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software. This software is an intellectual property of JSD Software. The program's installer is commonly called explorer.exe, SizeExplorer.exe or SizeExplorerPro.exe etc. The most popular versions of the program are 4.1, 2.9 and 2.7. The software lies within System Utilities, more precisely File Managers.
From the developer:
SizeExplorer is a disk space manager. The main purpose of SizeExplorer is to show you the actual space used by a folder (a feature that Windows Explorer lack of). Furthermore, SizeExplorer provide you with a complete set of tools to help you manage your disk space. Graphical charts, files distribution statistics, complete files listing, network exploration and exports to excel, text file, etc.
You may want to check out more software, such as SizeExplorer Lite or SizeExplorer Pro, which might be similar to SizeExplorer.