1)   febooti fileTweak 1.3
Change file / folder date, time (timestamp) and attributes. Expands Windows "property" tabs to display additional file properties. View file and folder content (copy file list to clipboard). View file and directory description. Easy to use.

 2)   Better File Attributes 1.3
Better File Attributes is Windows Explorer enhancement that allows file dates to be changed at will. It can manipulate entire file hierarchies.