Irregularly changing the Startup Password in your computer can effectively prevent others from guessing or knowing the code. Besides, if you think the current one is too long and complex, you can change it into another one which is short and simple. And for your convenience, this article specially illustrates how to change Startup Password in Windows 8 computer.
Step 1: Open the Run dialog by Windows Logo Key+R, enter syskey in the blank box and tap OK.
Step 2: As the User Account Control window pops up, choose Yes to allow the SAM Lock Tool to make changes to your computer.
Step 3: In the window titled Securing the Windows Account Database, select Update.
Step 4: Enter a new password, reenter it for confirmation and click OK.
Step 5: In the pop-up Windows Startup Password dialog box, type the current password and tap OK to authorize the change.
After these five steps, the Success window will show up, informing you that the Account Database Startup Key was changed.