Here are a few pictures that will help you identify the keys.

General Windows Shortcut Keys

F1 – Universal Help key
F2 – Rename files or Folders
F3 – Opens up the Find dialogue
F5 – Refresh contents in current application

Windows Key & D – This will minimize all windows you have open and take you to the desktop. by pressing it again this can be reversed
Windows Key & E – This will open up the Windows Explorer file browser window
Windows Key & TAB – This will cycle through open programs through the taskbar.
Windows Key & F – This will open up the windows search feature
Windows Key & CONTROL & F – This will open up the search for computers window.
Windows Key & F1 – This will open up the Microsoft Help and Support Centre
Windows Key & R – This will bring up the run box dialogue
Windows Key & L – This will lock the computer and take you to the sign in screen

General Editing Keys

ALT & F – Opens up the file menu
ALT & E – Opens up the edit menu

Control & A – Highlights all text
Control & C – Copies highlighted selected text
Control & X -Cuts highlighted selected text
Control & V – Pastes text from clipboard into document
Control & Z – Reverses last action
Control & P – Brings up the print dialogue
Control & B – Creates bold text
Control & I – Place text in italics
Control & U – Underline text

Insert – Toggles between overtype mode and normal mode
Control & Insert – Copies selected text
Shift & Delete – Cuts highlighted selected text
Shift & Insert – Pastes text from clipboard into document

Shift & Home – Selects the text from current cursor position to beginning of line
Shift & End – Selects the text from current cursor position to end of line
Control & Left Arrow – Move the cursor backwards one word
Control & Right Arrow – Move the cursor forward one word

Home Key – Goes to beginning of current line
End Key – Goes to end of current line
Control & Home – Goes to top of document
Control & End – Goes to end of document

Other Keys

Alt & Tab – Cycles through current open applications
Alt & F4 – Closes the current open application
Control & Escape – Brings up the start menu
Shift & Del – When deleting a selected highlighted item – this will bypass the recycle bin
Holding Shift Key – While inserting a CD/DVD will bypass the auto play feature
F8 – While pressing this key on boot up will bring you to the boot up options screen – handy for entering safe mode