reg-delete
Delete keys or their values from the registry. tldr-pages
On Windows
Windows
Delete a specific registry key
reg delete key_nameIdentifyDelete a value under a specific key
reg delete key_name /v valueIdentify/vDeletes a specific entry under the subkey. Windows commands referenceDelete all values recursively under the specified key
reg delete key_name /vaIdentify/vaDeletes all entries within the specified key. Windows commands referenceforcefully (without a prompt) delete all values recursively under a key
reg delete key_name /f /vaIdentify/fDeletes the existing registry subkey or entry without asking for confirmation. Windows commands reference/vaDeletes all entries within the specified key. Windows commands reference