how to protect software on you're computer with password

Everyone have his perssonel software in his computer.And he don't want anybody to use it.So in this tutorial i'll showing you how to make a password in any software by using EXE LOCK 
1-you can download this little software from the link: http://www.kakasoft.com/exelockinfo.htm
2-install it normal
3-choose your software you want to protect
3-typre you're password
And you done