You download a program that you cant delete.
See example in this article here: Clicky
You want to customize your windows settings
Example: you want a custom boot logo when you restart your computer these files are normally a .MUI file
Create custom themes make your Windows computer look like a mac or Windows XP look like Vista
To take ownership and grant full control (or read write) permissions of files or folders in Windows Vista and Windows 7 / Windows 8, do these steps.