As a long time Windows user you might have heard about registry. The registry is a special file in your hard disk that hold most of Windows settings data. Wish to improve your internet speed or display message at Windows logon? No problem, those tasks can easily be done by simply editing the registry value. Unfortunately registry is not a friendly place for most people. Changing a wrong value in the registry may cause an unpredictable problem to your Windows. This is why novice users should not edit registry value directly using a registry editor by them self.So for novice Users many tools are developed to edit registry in easy manner.Here i have listed few tools which are considerd as best for tweaking your PC.

1) TweakNow WinSecret Professional.

In TweakNow WinSecret, Most popular Windows XP/Vista registry settings are provided for you in an easy and safe user interface. All settings are divided in? the following sections:

• Applications
• Control Panel
• Desktop
• Miscellaneous
• Network & Internet
• OEM Info
• Special Folders
• Start Menu
• User Accounts
• Windows Core
• Windows Explorer

Screenshot:

Link : Download

2) Postable Registry Tweaker.
Registry Tweaker is a powerful companion that can help you in tweaking your Windows Registry. This application will show you which keys are modified and you can even add your own tweaks in the database.
A very useful feature in the program is the ability to make Registry backups. What it does is really simple, it exports whole registry to a REG file, which can be restored later if something is wrong.
Registry Tweaker is very customizable, you can add, edit tweak database, create profiles and export them to REG files. Everything is done with just a few clicks.

Registry Tweaker supports basic types: REG_DWORD, REG_SZ, REG_MULTI_SZ, REG_EXP_SZ, REG_BINARY.

Screenshot:

Link : Download

3) WinBubble.

It lets you to Optimize, make more secure and customize your Windows Vista with just few clicks. By default Vista Settings are set as per general Computer Hardware which some time doesn?t take into account of more RAM/CPU and Harddisk size you have to tweak those settings to best match with your hardware configuration.Searching for each & every settings inside vista could be time consuming and tedious task, in such case WinBubble 1.74 is perfect tool to save you.

Screenshot:

Link : Download