General
F1 - Help
ALT-F4 - exit
F10 - Settings tab
CTRL-Minus - Smaller interface zoom
CTRL-Plus - Larger interface zoom
Duplicate/Remaining files list
Enter - Open selected file
CTRL-P - Show properties for selected file
CTRL-Enter - Show selected file in Windows Explorer
CTRL-H - Send selected file to hash tool tab
Space - Mark selected file
Del - Mark selected file, or delete file if direct delete option is set
SHIFT-Del - Drop selected file(s) from list
CTRL-Del - Drop Marked file(s) from list
CTRL-SHIFT-Del - Drop selected folder tree from list
CTRL-A - Select All
F3 or CTRL-F - Find Window
F3 - Find next (When find window visible)
F2 - Rename selected file in list
F4 - Image preview
F5 - Refresh file list (removes files from list that may have been deleted outside the program)
F6 - Copy file name (path+filename) to clipboard
Image preview window
F1 - Help
F4 - Close
Ctrl + Cursor-Left - Previous group
Ctrl + Cursor-Right - Next group
Space - Mark selected thumbnail