How to prevent others from logging into their computers in the Win7 system

Today, when privacy is so important, we don't want our computers to be used by others, especially if we are unaware of it. So let's learn how to prohibit others from logging into their computers in the Win7 system.

Step one: First, open the Win7 flagship version of the Start menu, and then click into the Control Panel, and then in the control Panel into the account settings interface.

Step two: Unlike ever, what we're going to do now is in the User Account Settings window, change the way users log on and log off, and then in the settings interface that comes out, find the "Use Welcome screen" and "Use Fast User Switching" options, and then remove the check boxes in the front of both options. At this time we can only use their own set of user account password login win7 system.