Many times you need to take ownership of a file or folder in Windows. You have to follow no. of steps to do this task. But now you can do it in a single step.
Download following zip file and extract it. You’ll get a .REG file. Run the file and accept the confirmation:
Add Take Ownership [...]

The “Delete history” button is a button present in Internet Explorer that can remove all browsing traces from a computer. While ordinarily this would be a good thing, allowing you to protect your browser habits from prying eyes, this can become a liability when you suspect someone is using your computer for malicious or immoral purposes. Removing this [...]

This restriction is used to remove the “All Programs” button which displays a list of all the installed applications.(ONLY FOR  WINDOWS XP)
Open your registry and find or create the key below.
Create a new DWORD value, or modify the existing value, called “NoStartMenuMorePrograms” and set it according to the value data below.
Exit your registry; you may need [...]

Windows allows you to selectively specify the system shell based on the logged in user. For example this allows one user to use the standard explorer interface and another to use the legacy progman shell.
Open your registry and find or create the key below.
Create a new String value, or modify the existing value, called “Shell” and [...]

This setting allows you to specify applications and filenames that users are restricted from running.
Open your registry and find the key [HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion \Policies\Explorer]
Create a new DWORD value and name it “DisallowRun” set the value to “1” to enable application restrictions or “0” to allow all applications to run.
Then create a new sub-key called [HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion \Policies\Explorer\DisallowRun] [...]

By default the USB polling interval is once every millisecond (ms). Even if no USB devices are connected the polling operation is still performed and the processor may not be able to enter power-saving state. Use this tweak to increase the polling interval.
Open your registry and find the key below for your Windows version.
Windows 98 [...]

When you install a new Windows program the icon will be highlighted on the Start Menu in Windows XP to allow you to quickly locate it. This tweak controls whether new programs should be highlighted.
Open your registry and find or create the key below.
Create a new DWORD value, or modify the existing value, called “Start_NotifyNewApps” and [...]

Are you sick of seeing the same tips again and again when you first logon to Windows? Now you can change them to whatever you want, whether it’s quotes, jokes or a to-do list, anything is possible.
Open your registry and find the key below.
Create a new string valued named by incrementing the existing value names [...]

This setting allows you to remove the ability to change, add or delete file types using explorer the Folder Options interface.
Open your registry and find or create the key below.
Create a new DWORD value, or modify the existing value, called “NoFileAssociate” and set it according to the value data below.
Exit your registry; you may need [...]