reg flags

Display or set flags on registry keys. More information: https://learn.microsoft.com/windows-server/administration/windows-commands/reg-flags.

Display current flags for a specific key:

reg flags {{key_name}} query

Set one or more flags, and unset unmentioned flags, for a specific key:

reg flags {{key_name}} set {{flag_name1 flag_name2 ...}}

Set one or more flags for a specific key and its [s]ubkeys:

reg flags {{key_name}} set {{flag_name1 flag_name2 ...}} /s