Lock You PC Temporary In Windows 7, 8

Hi Friends !!!
 Today I am going to show you
 "How
 to Lock PC temporarily when
 Someone enter wrong password".
 Most people guess the password 
 To avoid this situation we can

 lock
 our PC temporarily by using
 "Windows Security
 Settings". By using this option, our
 PC will lock automatically if Any person
 entered more than 3 wrong
 passwords, PC may get lock for
 next
 30 Minutes.
 How to do this
 Click on Start button
 Type Local Security Policy in
 Search
 programs and files box.
 Now Click on "Local Security
 Policy"
 From left window pane Expand
 Account Policies
 Then Double click on Account
 Lockout Policy
 After that Double click on Account
 Lockout threshold
 Now a new window will appear.
 In that window give the value
 after
 how many invalid password login
 attempts you want to lock your PC.
 Now click on Apply.
 Then Click OK.
 enjoy

 BEST REGARDS