In today’s era where information security is increasingly valued, ensuring that personal computers are protected from illegal intrusion is extremely crucial. An effective way to achieve this goal is to implement a startup password to strengthen the security of the Windows operating system. This video tutorial will guide the audience step by step to master the method of setting a startup password in Windows 10 and Windows 11 environments, ensuring that password verification is required every time the computer starts. Following our video instructions, enhancing system protection will become easier and more feasible.