How to solve the problem that the Win7 boot prompt password has expired

First step, after entering the Win7 system, open the Win7 system start menu, and then from the start menu to the control panel options, in the open control panel options, select Among the management tools.

In the second step, in the open management tool interface, select the local security policy and double-click to enter, and then you can see the window shown in the following figure.

The third step, then, in the left menu, select Security Settings > Account Policy > Password Policy.

The fourth step, then, double-click the password maximum age option in the right window, and then in the pop-up edit window, you can set the password expiration time.