You can run AthTek Registry Cleaner on Windows operating systems. AthTek Registry Cleaner is a software product developed by AthTek Software and it is listed in the System Utilities category under Registry Tools. AthTek Registry Cleaner is licensed as Shareware which means that the software product is provided as a free download to users but it may be limited in functionality or be time-limited. You may need to pay at some moment to continue using product or to use all functionalities.