XTweak is a complex tweaker and optimizing tool especialy designed for Windows XP and 2003 Server.
The most imprortant XTweak's features are:
- Disk: Intelligent Disk Cleaner and Safe Defragmenter.
- Drives: Smart Hard Drives Monitor.
- Registry: Backup, Restore, Intelligent Cleaner and Registry Safe Defragmenter.
- Security: Firewall, IE, Wnidows Update and other thweaks.
- Optimizations: Autorun Manager, StartUp, Cache and Visual Effects tweaks

- Mail Tweaks: Outlook and Windows Mail
- Customizations: Start Menu, Media Player, Control Panel and IExplorer tweaks
- Virtual Drives creator and remover
- and many other important tweaks

The license of this software is Free Trial Software, the price is $26.95, you can free download and get a free trial before you buy. If you want to get a full or nolimited version of XTweak, you can buy this system optimizer software software.