Available button functions with Windows XP Pro/Home driver

None - button does nothing when clicked.
Left Button - left or normal click.
Right Button - right click.
Wheel/Middle Button - middle click for some programs, particularly CAD programs.
Alt - keyboard Alt
Auto-Pan - click and drag the mouse to scroll or pan in any direction.
Back - go back one page or folder in browsers.
Backspace - keyboard backspace.
Close - close program or window.
Copy - keyboard Ctrl C to copy.
Ctrl - keyboard Ctrl.
Cut - keyboard Ctrl X to cut.
Double Click - click once to perform double click.
Drag Scroll - press and hold the button, and drag the mouse to scroll vertically.
Enter - keyboard Enter.
Esc - keyboard Esc.
Explorer - Open Windows Explorer to browse folders.
F1 - keyboard F1, brings up help in most programs.
F2 - keyboard F2
F3 - keyboard F3
F4 - keyboard F4
F5 - keyboard F5, refreshes view in most programs.
F6 - keyboard F6
F7 - keyboard F7
F8 - keyboard F8
F9 - keyboard F9
F10 - keyboard F10
F11 - keyboard F11
F12 - keyboard F12
Forward - go forward one page or folder in browser.
Key Stroke Recording -  records and plays back keyboard keystrokes.
Launch Application - starts a selected program.
Maximize - maximizes window.
Minimize - minimizes window.
Page Down - keyboard page down.
Page Up - keyboard page up.
Paste - keyboard Ctrl V to paste. 
Pointer Speed Toggle - toggles among up to 3 sets of pointer speeds.
Print Screen - keyboard Prt Sc to copy screen image to clipboard.
Run - opens Run function in Start menu.
Shift - keyboard shift.
Show/Hide Desktop - show open windows or minimize all windows.
Spacebar - keyboard spacebar.
Start - opens Start menu.
Switch Applications - brings next open program to the front.
Tab - keyboard tab.
Undo - keyboard Ctrl Z to undo. 
Zoom - click and drag the mouse to zoom images.