Favorites : Quick access to most often used folders.
Drag&Drop : Move files by dragging in Q-views, and other programs such as MS Explorer.
Clipboard : Copy/ Paste between the Q-Dir directory views, and other programs such as MS Explorer.
Folder-Type : ZIP-, FTP-,cabinet-,network-, system - folders, shortcuts ...
Views : Large icons, tiles, list, detail, thumbnail (Vista: extra large symbols) .
Export : to XLS, CSV, TXT, HTML.
Popup Menus : Desktop, My Computer.
Screen magnifier : anything on the screen can be enlarged.
Color Filter : Different colors for different item types (e.g. *.log;*.txt).
Highlight-Filter : Effective way for fast items highlighting.
File-Filter : Allows for quick and easy filtering of the items.
Columns : All columns support, and save function .
Quick-Link's : For fast folder access.
Folder-Select : Fast & flexible folder selection address-bar/ desktop menu/ my-computer menu/...
Multi-INI : Several INI files for Q-Dir.
Tree-View : Simple and quadruple.
Preview : Allows a quick preview.
Portable : from 2.77 is Q-Dir portable.

[CTRL+X] Cut
[CTRL+C] Copy
[CTRL+V] Paste
[CTRL+A] Select all.
[CTRL+SHIFT+A] Invert Selection.
[CTRL+S] Focus the Address
[CTRL+Z] Undo
[CTRL+Q] Menu Quick-Link's
[CTRL+M] Select-Filter On/Off
[CTRL+N] New Folder.
[CTRL+?] [?=Left/Right/Up/Down] Select more than one item.

[STRG+ALT+(Driver-Char)] Fast Driver Switch.

[DELETE] Delete
[BACKSPACE] View the folder one level up.

[F2] Toggle Rename/Rename Name Only
[F3] Search for a file or folder.
[F4] Display the Address bar list in activ view.
[F5] Refresh the active window.
[F7] Show Desktop-Menu.
[F8] Show My-Computer-Menu.
[F11] Full Screen: on/off
[ESC] Full Screen: off

[ALT+L] Screen magnifying.
[ALT+V] Move items to ... .
[ALT+K] Copy items to ... .
[ALT+ENTER] Displays the properties of the selected object.
[ALT+LEFT] Go back.
[ALT+RIGHT] Go forward.
[ALT+BACKSPACE] Go back.
[ALT+SHIFT+BACKSPACE] Go forward.

[SHIFT+F5] Show viewmenu
[SHIFT+F6] next view mode (Detail,...)
[SHIFT+F10] Display the shortcut menu for the selected item.
[SHIFT+DELETE] Delete selected item permanently without placing the item in the Recycle Bin.

• New in version 5.78 // November 13th 2013
  New option in tree view: Lines (Buttons) at root via Menu, Extras, Tree-View
  Update of the language files in Q-Dir and small corrections plus optimisation.
  
  
• New in version 5.77 // November 8th 2013
  Improvements in favorites and address bar: you can enter programs paths and shortcuts in full length.
  In the Tree-View (Windows 7, Win 8/8.1) the favorites system are also displayed.
  Program optimizations in Q-Dir!
  See: ... Q-Dir Addrees-Bar rules!
  
  
• New in version 5.76 // October 27th 2013
  Allows users to use a slash in the address bar instead of a backslash and other Addrees-Bar rules plus Q-Dir optimization.
  Update of the language files in Q-Dir.
  See: ... Q-Dir Addrees-Bar rules!
  
  
• New in version 5.75 // October 22th 2013
  Optimization and enhancements when saving and loading the list view settings in Q-Dir!
  Update of the language files in Q-Dir.
  
  
• New in version 5.74 // October 16th 2013
  Update of the language files in Q-Dir.
  Further testing of the Q-Dir for/on Windows 8.1.

x64 и x86 битные установщики и портабельные версии от разработчиков.