Function Keys
F1- Help Key,
* Windows Logo Key + F1,
Open The Microsoft Windows Help And Support Center.

F2-Rename The Selected Item,
* Alt + Ctrl + F2,
Open New Document;
* Ctrl + F2,
Display The Print Preview.

F3-Search for a file or folder,
* Shift + F3,
Change The Text In Word
(From Upper To Lower Case Or Capital Letter At The Beginning Of Every Word).

F4-Display the Address bar list in Windows Explorer,
* Alt + F4,
Close The Active Item, Or Exit The Active Program;
* Ctrl + F4,
Close The Open Window Within The Current Active Window.

F5-Refresh The Active Window,
Start Slide Show In PowerPoint.

F6-Cycle Through Screen Elements In A Window Or On The Desktop,
Move The Cursor To The Address Bar In Internet Explorer And Mozilla Firefox.

F7-Spell Check And Grammar Check,
Turn On Caret Browsing In Mozilla Firefox.

F8-Enter The Windows Startup Menu.

F10-Activate The Menu Bar In The Active Program,
* Shift+F10,
Display The Shortcut Menu For The Selected Item.

F11-Full-Screen Mode In Internet Browser.

F12-Open The Save As Window In Word,
* Shift + F12,
Save The Word Document;
* Ctrl + Shift + F12,
Print Document In Word.