Free system tweak software for windows

System Studio, successor to my extremely popular utility, Fast Card, is a system information and tweaking tool for Windows 9x/NT and 2000. It provides you with information on a wide range of operating system and hardware items.

Rage3D Tweak is a multi-language Radeon Tweaker designed to fit right in with the other ATI option tabs in the Advanced Display Properties accessed through the Control Panel.
It allows access to Registry Tweak options, Custom Display Modes, Refresh Rates, and Overclocking all through an easy to use interface.
For those requiring instant access to all the tweak options, a handy icon on the task bar can be enabled for quick access to all three tweaker tabs. Comprehensive html, outline based help is available through the standard ? icon in the display tabs and the help button.
Features:
- Tabbed interface accessible through display properties or system tray for easy navigation.
- Full right-click context sensitive help as well as html outline based help.
- Core and Memory overclocking support for all Radeon series cards.
- Support for per-game profiles and per-game clock speed settings.
- Refresh rate force capabilities for standard and custom display modes.
- Multiple skin options for the tweaker.
- User configurable sound events for GameUtil functions.
- Extensive list of tweaks for 2D and 3D as well as display, multimedia, windows and more.
Enhancements:
- Added support for 9800 series and other new cards
- New Overclocking updates
- New GameUtil support - Now some clock-locked cards can be overclocked without a bios flash.

System Security Wizard 2.1 is designed to offer users the chance to control how their XP OS functions without having to delve into the deep, dark recesses of the registry. System Security Wizard lets you alter and disable the settings in several categories: General, Services, Internet Explorer, Windows Media Player, Usability, and Delete Files.

Enhancements: May include unspecified updates, enhancements, or bug fixes.

IE 7 Tweak Utility software will allow you change tweak settings within Internet Explorer 7. Hide/Remove the search bar, command buttons, or the main manu.

XP Tinny Tweak is a freeware software that has been developed to tweak up and remove spare components from your Windows operating system.
You can easily remove shortcut arrow symbols from the icons on your Desktop, uninstall Windows Messenger, disable AutoPlay CDs, delete Cookies, delete Temporary Files and many many more.
XP Tinny Tweak also shows important information about your computer.