I installed this software from the CD of Personal Computer World December 2007. This is a magazine edition and you can upgrade to WinOptimizer 4. It has 4 main tools.
The Cleaning Tools consist of Drive Cleaner, Registry Cleaner and Internet Cleaner. Internet Cleaner will clean browser cache, cookies and history for Internet Explorer, Firefox and Opera.
The Tuning Tools consist of StartUp Tuner, Internet Tuner, IP Spam Blocker and Windows Standard Tools.
The File Tools consist of DiskSpace Explorer, File Wiper, File Splitter & Joiner and File Encrypter & Decrypter.
The Tweaking Tools consist of Defrag 2, System-Information and System-Benchmark. You can find your Windows product key using System-Information. System-Benchmark will measure and compare system performance. Unfortunately, you cannot create schedule to run any of the tools.