Free system tweaking software for windows

True System Security Tweaker 1.1.1.2 comes as a freeware security utility which is designed for tweaking and optimizing Windows operating system. It can simply be used as a portable application to customize and secure your PC to meet your safety requirements. You can define access level to lots of Control Panel applet functions including Desktop, Network, Passwords, Printers, System, Add/Remove Programs, etc.

Use it to disable system features for certain user profiles; hide Start menu items and Open-Save dialogs options. True System Security Tweaker has got a simple but nicely designed interface for selecting over 470 security options for your system. Also the source code is available too.

SC Free System Tuner 3.3 is an amazing utility which is used to free up valuable space on your hard drive, help Windows faster, more secure and comfortable. It also optimizes the operation of your PC, corrects problems, and supports you customize your system for your needs. Removes unnecessary files from your drives. It is a freeware.

Major Features:

1. Change each Windows icon or all icons using icon packages, Effects, security, input options and the memory management
2. Accelerate your Internet connection
3. Recover files and protects your privacy
4. Clean your temp and registry easily and safely
5. Automatically correct system problems
6. Recover deleted files and protects your privacy
7. Provide extensive information about your hardware and software and allows you to customize and tweak your system.
8. Startup program controls with crashpreventing Optimizer, a file shredder, and a respectable uninstall utility round out this suite.
9. Include a built in hard drive defrag.
   

Requirements: Windows 98/Me/NT/2000/XP/Vista

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.

With Win Tweak Manager you can control your Windows system ,It includes many powerful tweaks and hidden Registry settings. The simple user interface enables fast access to settings that affect the speed, security, efficiency, and convenience of your computer, Win Tweak Manager also includes tweaks for many known software applications,Win Tweak Manager is the best utility for modifying system settings.
"Tweaking" an operating system refers to modifying software, hardware, or other settings that affect how the operating system works. They are registry-level settings that can be modified without the pain of searching through a Windows registry. Some Tweaks may determine what is shown on the desktop. Other tweaks may determine what programs are available in the Start Menu. Whatever the Tweak, having control over them means you have more control over your operating system and how your computer works. Win Tweak Manager uses a Windows-XP interface to provide you access to over 300 Tweaks for the Microsoft Windows operating systems. These tweaks can be applied to Windows core operating system features.