OmniDiskSweeper is not available for Windows but there are plenty of alternatives that runs on Windows with similar functionality. The best Windows alternative is WinDirStat, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 25 alternatives to OmniDiskSweeper and 15 are available for Windows so hopefully you can find a suitable replacement. Other interesting Windows alternatives to OmniDiskSweeper are WizTree (Free Personal), TreeSize (Paid), JDiskReport (Free) and SpaceMonger (Paid).
FilePro Professional disk and file manipulation Features ? Generate disk treemaps for local or network volumes ? Search and locate files in treemaps by automatic zoom-in and positioning. ? Save entire or partial volume snapshots