1, we open the QQ interface in the computer, and then we click on the "Settings" icon after entering, as shown in the following figure;
2, click on the "Security Settings" tab above, open the effect as shown below;
3, okay, open into the after we click on "QQ Security" to find "Change password, QQ Lock, apply for password protection" We set up here all this can increase the security of QQ;
4, if there is no secret security we can click to apply for password protection, and then we can use a variety of methods to set the secret security;
5, on the QQ lock will also greatly increase the security of QQ;
6, of course, QQ password we can be modified on a regular basis, so as to enhance the security of QQ.
Well, the above is about QQ to prevent the establishment of the number of methods, of course, we also antivirus computer, regular anti-virus operation.