Some windows shortcuts i Known.

Alt + F                   File menu options in current program.
Alt + E                   Edit options in current program
F1                           Universal Help in almost every Windows program.
Ctrl + A                   Select all text.
Ctrl + X                   Cut selected item.
Shift + Del                   Cut selected item.
Ctrl + C                   Copy selected item.
Ctrl + Ins                   Copy selected item
Ctrl + V                   Paste
Shift + Ins                   Paste
Home                   Goes to beginning of current line.
Ctrl + Home           Goes to beginning of document.
End                           Goes to end of current line.
Ctrl + End                   Goes to end of document.
Shift + Home           Highlights from current position to beginning of line.
Shift + End                   Highlights from current position to end of line.
Ctrl + Left arrow           Moves one word to the left at a time.
Ctrl + Right arrow   Moves one word to the right at a time.

Share your known shortcuts.