

Long story short, in Build 23481 Microsoft has applied a filter to the list of options of File Explorer. remove the "Legacy" word from their names. To undo the change, rename the values back to their original names, i.e.

Congrats, the folder options dialog now includes all the checkboxes.Now, open File Explorer and click on the "." > Options item in the toolbar.ShowTypeOverlay => ShowLegacyTypeOverlay.ShowDriveLetters => ShowLegacyDriveLetters.SharingWizardOn => SharingLegacyWizardOn.HideMergeConflicts => HideLegacyMergeConflicts.

