Windows Update
Why do Windows users need to update their operating system?
How many ways are there to get our Windows updated?
Where can we change the update settings in Windows 7?
Windows Automatic Update
The four options decide when and how updates will be delivered to your computer.
Deliver the mailDeliver the project
Automatic (recommended)
Windows finds and downloads updates
in the background.…behind the scene 在后台…
1.The user will not be notified or interrupted…
2. The updates do not interfere with other downloads.
You are never notified or interrupted when you select Automatic Update mode.
or
1. To accept an End User License Agreement.2. To restart the computer.
Automatic (recommended)
Download …for me, but let me choose…
1. Updates will be downloaded automatically.2. The Windows Update icon appears in the notification area.
3. An alert pops up.
4. Click the icon/alert to install the updates.
To receive alerts, you must be a member of the Administer group for you computer.
User Accounts 用户账户
User Groups 用户组
Download …for me, but let me choose…
Administrator privileges 管理员权限
Download …for me, but let me choose…
The Notification Area
… also sometimes called the system tray (or
just tray). Many of the programs running in the
background have tray icons here that you can
use to open their window or to configure them.
Notify me, but don’t automatically …
Updates will be downloaded and installed manually.1. Windows checks for updates on the Internet.2. Windows notifies the user. [icon] [alert]
3. The user decides to download updates.
4. Downloading is complete… Windows notifies the user. [icon] [alert]
5. The user can choose to install the updates.
Turn off Automatic Updates
You will never be notified to download or install updates.Your computer will be vulnerable to viruses and security threats.
Viruses can spread over the Internet.
1. Exchange e-mail.2. Share files3. Collaborate on a network
Protecting your computer is an ongoing process.
New viruses and
security threats are
continually
developed.
Turn off Automatic Updates
Summary of modes of getting updates
Modes When to notify users
download mode
Installation mode
Automatic during installation (not always) Automatically Automatically
Download for me… Before installation Automatically on request
Notify me… Before downloadBefore installation On request On request
Turn off Automatic Never Manually Manually
It is strongly recommended that ——
you log out of the administrator account when you are
not performing tasks that require administrator
privileges.
退出…Log off 注销
管理员账户 管理员权限
Administrator or Limited User?
Administrator or Limited User?
Administrator
1.Administrator privileges2.Make system-wide changes3.Reformat your hard disk4.Delete all your files
Limited User
1.Limited privileges2.Better security
A Brief History of Windows and Personal Computing
256KB RAM 1GB RAM
2 floppy drives ( 2.8MB) 160GB hard disk
8MHz processor 2.8GHz processor
1985 2006 22 years
3900 times
57100 times
350 times
KB=KilobyteMB=MegabyteGB=Gigabyte
1MB=1000KB1GB=1000MB