A password manager is a software in which you can store all your passwords. It basically stores all your data in some file or database, and keeps that encrypted. All the passwords can be accessed be one single master password. This ensures that you just need to remember one password, and using that you can access all your passwords.
PassBox is a free password manager and generator for Windows 7 and Windows 8 systems. It locks all your password data with a master password. Check here!→