This command sets the default entry that the boot manager will use when the timeout expires. bcdedit /default Specifies the ...

This command sets the default entry that the boot manager will use when the
timeout expires.

bcdedit /default 

        Specifies the identifier of the boot entry to be used as the
            default when the time-out expires. For information about
            identifiers, run "bcdedit /? ID".

Examples:

The following command sets the specified entry as the default boot manager
entry:

    bcdedit /default {cbd971bf-b7b8-4885-951a-fa03044f5d71}

The following command sets the NTLDR based OS loader as the default
entry:

    bcdedit /default {ntldr}

This command sets an entry option value in the boot configuration data store. bcdedit /store /set { } /addfirst | /addlast ... This command sets or displays the global debugger settings for the system. This command does not enable or disable the debugger ... This command sets or displays the global remote event logging settings for the system. Currently this command is an alias ... This command sets or displays the hypervisor settings for the system. This command does not enable or disable the hypervisor ... This command sets the default entry that the boot manager will use when the timeout expires. bcdedit /default Specifies the ... This command sets the display order to be used by the boot manager. bcdedit /displayorder . /addfirst | /addlast | /remove ... This command sets the global Emergency Management Services settings for the system. Emssettings does not enable or disable ... This command sets the one-time boot sequence to be used by the boot manager. bcdedit /bootsequence . /addfirst | /addlast ... This command sets the reference to the owner authorization that the TPM uses when executing an OIAP or OSAP session. Use ...