Function keys, often abbreviated as “F keys,” are a set of special keys located at the top row of most computer keyboards. These keys are typically labeled as “F1” through “F12,” although some keyboards might have fewer or more function keys.
Each function key serves a specific purpose and can be programmed or assigned different functions depending on the operating system, software, or application you are using. The standard functions of the function keys in many operating systems and applications are as follows:
- F1: Generally used as the “Help” key. Pressing F1 in various programs will open the relevant help documentation or provide context-specific assistance.
- F2: Commonly used for renaming files, folders, or icons. When selected, it allows you to edit the name of the selected item.
- F3: Often opens a search function in many applications, allowing you to search for files, text, or other elements.
- F4: This key can have different functions depending on the context. In Windows, it can be used to open the address bar in File Explorer or to repeat the last action in certain applications.
- F5: Commonly used to refresh or reload a web page in web browsers or to refresh the content in some applications.
- F6: In web browsers and some applications, F6 is used to navigate between different sections or fields.
- F7: Primarily used as a spelling and grammar check key in word processing software.
- F8: Often used during system startup to access advanced boot options in Windows.
- F9: This key’s function varies significantly across different software applications.
- F10: Commonly used to activate the menu bar in some applications, allowing you to access various options.
- F11: Often used in web browsers to enter or exit full-screen mode.
- F12: Frequently used to open the “Save As” dialog box in various applications.