How to Password

Click on the Apple menu and select Control Panels.
Click on the Password Security control panel.
Click on the Setup button. You can select a password, which you will type twice. If you own a PowerBook (laptop), you can select 'Also ask when waking from sleep.'
Type in a hint for your password (in case you forget it).
Close the control panel.
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How to Change Mac IP Address (10 Steps)

Launch the Apple Menu. Select 'System Preferences.' Then click 'Network Control Panels' and click 'TCP/IP.'
Check the IP address in the list of connections. Your Mac has an IP address, and some of your electronic devices may also have their own IP addresses.
Visit a website such as What Is My IP for a utility that reads your Mac IP address (see Resources below). It will automatically detect your IP address and provide it for you.
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