Specific steps:
Press the keyboard win+r to open the run, enter Gpedit.msc press ENTER, enter Group Policy edit.
Select, Computer Configuration---→windows settings---→ security settings---→ account policy.
Open Account lockout threshold, set invalid login times, (such as set 3 invalid login times, if you enter the login 3 errors, then your account will be locked!) The settings are determined after the selection.
Open account lockout time, set account lockout time, and select OK after setting.
Open the Reset account lockout counter, set the number of minutes to reset the account lockout counter, set after the selection to determine.
The operation is complete, you can try, but be cautious, if? More than the invalid login number, your account will be locked, within a certain time period can not be used. Precautions: Set carefully, set according to your own situation.