More about O&O Defrag Professional
O&O Software GmbH lets you try it first and then decide whether you want to pay $29.95 for it. Open the System Utilities category, the Disk Management subcategory, to see O&O Defrag Professional. This program can be launched on Windows XP and its most popular versions are 16.0 and 15.8. DefragIcon.exe and PRO.exe are among the most popular setup packages that users use to get the software.