User Account Control - UAC - Change Notification Settings

• User Account Control Step-by-Step Guide
• Mark Russinovich on Windows 7 UAC - Windows Security Blog - The Windows Blog
• User Account Control: Inside Windows 7 User Account Control
• User Account Control - Wikipedia, the free encyclopedia

A standard user account lets a person use most of the capabilities of the computer, but permission from an administrator is required if you want to make changes that affect other users or the security of the computer.
When you use a standard account, you can use most programs that are installed on the computer, but you can't install or uninstall software and hardware, delete files that are required for the computer to work, or change settings on the computer that affect other users. If you're using a standard account, some programs might require you to provide an administrator password before you can perform certain tasks.

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An administrator account is a user account that lets you make changes that will affect other users. Administrators can change security settings, install software and hardware, and access all files on the computer. Administrators can also make changes to other user accounts.
When you set up Windows, you'll be required to create a user account. This account is an administrator account that allows you to set up your computer and install any programs that you would like to use.
To help make the computer more secure, this administrator account may be asked with a UAC prompt to provide their password or confirmation before allowed to make changes that affect other users, or when running anything elevated (Run as Administrator) since running elevated will allow it to have access to the entire computer.

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