Bcedit Hot! -

bcdedit /timeout 10

bcdedit /import C:\BCD_Backup

(Usually paired with bootrec /fixmbr and bootrec /fixboot ) . bcedit

You installed a second version of Windows, formatted that drive, but the boot menu still asks you to choose between Windows 10 and the "Old Windows." formatted that drive

Common parameters you will see repeatedly: and delete boot entries

BCDEdit.exe is the primary command-line utility for managing Boot Configuration Data (BCD) in Windows. It replaces the older boot.ini file system used in versions prior to Windows Vista. This tool allows administrators to create, edit, and delete boot entries, which is critical for multi-boot setups and troubleshooting system startup failures.