Password

• Creating/Changing/Removing Your Windows Password
• Setting a Windows password allows you to protect your VAIO computer from unauthorized access by requiring password entry when the computer is turned on or returns from power saving mode to Normal mode.
• Removing the Power-on Password
• If power-on password input for booting up your VAIO computer is no longer necessary, follow these steps to remove the machine password and user password.
• Setting/Changing the Power-on Password
• You can set a password (power-on password) for booting up your VAIO computer, using the BIOS function. Entry of the power-on password will be prompted after the VAIO logo appears to start the computer.
• Switching from a Local Account to a Microsoft Account
• In Windows 8, you can switch between a local account and a Microsoft account.

You might be looking for the following topics:

• About User Account Type