System command

bcdedit command

Boot Configuration Data (BCD) files provide a store that is used to describe boot applications and boot application settings. This guide lists the documented syntax and parameters for bcdedit; check Microsoft Learn for version, role and execution-context requirements.

Availability: Microsoft Learn command reference spanning Windows client and Windows Server releases; some entries are legacy, role-specific, optional-feature or interactive subcommands.中文

Documented syntax

bcdedit /command [<argument1>] [<argument2>] ...

The linked Microsoft Learn article is the upstream authority. Availability may depend on Windows release, role, optional feature or interactive tool context.

Syntax pattern

Syntax pattern from Microsoft Learn; replace placeholders and choose only one documented alternative before use.

bcdedit /command [<argument1>] [<argument2>] ...

Parameters, options and clauses

Option / clauseDescription
/commandMicrosoft documents this switch; use the linked reference for accepted values, effects and version limits.
<argument1>Microsoft documents this argument or subcommand; check the linked reference for its required format and context.
<argument2>Microsoft documents this argument or subcommand; check the linked reference for its required format and context.
Safety note

Review a command and its target before running it. Commands that alter files, services, accounts, disks, permissions or databases may be difficult to reverse. Test in a safe environment and keep backups.

Official reference ↗Back to directory