Function Keys of Computer Keyboard

Updated: March 10, 2024


F1 Key Used for Help

On most keyboards, the F1 key is commonly identified as the “Help” key. Help and access to help documentation within operating systems and apps is its main purpose. When pressed, the F1 key typically opens context-sensitive help menus, guides, or support documentation relevant to the current task or application.

Operating System Help:

In most operating systems, pressing F1 opens the system help menu, where users can find guidance on various topics such as system settings, troubleshooting, and usage instructions.

Application Help:

Within software applications, pressing F1 usually opens a help pane or dialog box specific to that application. This help feature offers information on how to use the software, explanations of features, keyboard shortcuts, and answers to frequently asked questions.

Online Help:

Some applications may also utilize F1 to redirect users to help online resources, including web-based documentation, forums, or support pages maintained by the software developer.

F2 Key Used for Rename

The F2 key is commonly recognized as the “Rename” key on most keyboards. Its primary function is to allow users to quickly rename files, folders, or selected items in various file management systems and applications.

File Explorer/File Manager:

In operating systems like Windows, when you select a file or folder and press F2, it activates the rename function, allowing you to edit the name of the selected item directly within the file explorer or file manager window. This feature is particularly useful for quickly organizing and managing files on your computer.


Similarly, in file management systems, such as the desktop environment in Windows, macOS, or Linux, pressing F2 while a file or folder is selected enables you to rename it without having to right-click and select the “Rename” option from the context menu.

Shortcut Creation:

In some applications or operating systems, pressing F2 while a shortcut icon is selected allows you to edit the name of the shortcut, making it easier to identify and organize your desktop or file system.

Table of Content
  1. F1 Key Used for Help
    1. Operating System Help:
    2. Application Help:
    3. Online Help:
  2. F2 Key Used for Rename
    1. File Explorer/File Manager:
    2. Desktop:
    3. Shortcut Creation:
  3. F3 Key Used For Searching
    1. Command Line Interfaces:
    2. Text Editors:
    3. Search Boxes:
  4. F4 Key Used For Shutdown
    1. Macro Recording:
    2. Application Windows:
    3. Web-Browsers:
  5. F5 Key Used For Refresh
    1. Cache Clearing:
    2. Debugging:
    3. Application Refresh:
  6. F6 Key Used For Highlight Address Bar
    1. Dialog Boxes and Form Fields:
    2. Shortcut for Tabbed Interfaces:
    3. Text Editors and Word Processors:
  7. F7 Key Used For Spelling Check or Grammer
    1. Spell Check:
    2. Grammar Check:
    3. Shortcut For Macros:
  8. F8 Key Used For Remove Select Boot Menu
    1. Safe Mode:
    2. Debugging Mode:
    3. Other Boot Options:
  9. F9 Key Used For Remove Select Item
    1. Refresh or Recalculate:
    2. Debugging and Development:
    3. Gaming:
  10. F10 Key Used For Right Click Work
    1. Menu Bar Access:
    2. Text Editing:
    3. Function Key Modifier:
  11. F11 Key Used For Fullscreen
    1. Fullscreen Mode:
    2. Maximize Window:
    3. Customizable Shortcut:
  12. F12 Key Used For Save as
    1. Tools for Developers:
    2. Save As:
    3. Shortcut Key:
  13. Conclusion:
  14. FAQS( Frequently Asked Questions)

F3 Key Used For Searching

The F3 key is commonly recognized as the “Search” key on most keyboards. Its primary function is to initiate a search operation within applications, file explorers, or web browsers, allowing users to quickly find specific text, files, or information.

Command Line Interfaces:

In command line interfaces or terminal windows, pressing F3 may trigger history search functionality, allowing you to recall and execute previously entered commands quickly. This feature can save time and improve efficiency when working with command-based systems.

Text Editors:

In text editing software or word processors, pressing F3 often initiates a search operation within the document, allowing you to find instances of a particular word or phrase. This feature is beneficial for navigating large documents or identifying specific sections of text.

Search Boxes:

F3 is often used to activate search boxes or search panels in various software applications or dialog boxes. For example, in email clients or database applications, pressing F3 may open a search dialog where you can enter search criteria to filter and locate specific items.

F4 Key Used For Shutdown

The F4 key is commonly recognized as the “Close” key on most keyboards. Its primary function is to close or terminate the currently active window or application, depending on the context.

Macro Recording:

F4 can be used as a hotkey to start recording or playing back macros in some apps or macro recording software. By recording a sequence of operations and designating them to be quickly executed by pressing the F4 key, this function enables users to automate monotonous chores.

Application Windows:

In many applications and operating systems, pressing F4 while a window is active initiates the close function, prompting the application to close the window or terminate the program if it’s the last remaining window. This feature provides a quick way to close individual windows without using the mouse or navigating through menus.


Pressing Alt + F4 simultaneously closes the browser window and ends the browsing session while using. By using this keyboard shortcut, you can quickly exit the browser without having to go through menus or press the close button.

F5 Key Used For Refresh

The F5 key is commonly recognized as the “Refresh” key on most keyboards. Its primary function is to reload or refresh the currently active window or webpage in various applications and web browsers.

Cache Clearing:

In web development and debugging tools, pressing Ctrl + F5 together (a combination often used in conjunction with the F5 key) can perform a “hard refresh,” clearing the browser cache and reloading the webpage from the server. This action ensures that you see the latest version of the webpage without any cached data interfering.


In integrated development environments (IDEs) and debugging tools, F5 is commonly used as a shortcut for starting or continuing the execution of a program after making changes to the code. This action is often associated with the “run” or “debug” functionality in software development environments.

Application Refresh:

In certain software applications, pressing F5 may trigger a refresh action specific to that application. For example, in email clients or document editing software, pressing F5 might refresh the mailbox or document to fetch new messages or updates.

F6 Key Used For Highlight Address Bar

The F6 key serves various functions depending on the context of its usage, primarily related to cursor movement and navigation within applications, web browsers, and operating systems.

Dialog Boxes and Form Fields:

In various software applications, pressing F6 may cycle the cursor focus between different dialog box elements, form fields, or controls, making it easier for users to interact with and navigate through complex user interfaces without using the mouse extensively.

Shortcut for Tabbed Interfaces:

In applications with tabbed interfaces, such as web browsers or tabbed text editors, pressing Ctrl + Shift + F6 together (a common combination used in conjunction with the F6 key) may switch between different tabs or documents, providing a quick way to navigate through open tabs without using the mouse.

Text Editors and Word Processors:

In text editing software or word processors, pressing F6 may move the cursor focus to different sections of the document or user interface, depending on the specific application and its configuration. This action allows users to navigate through documents and perform editing tasks with greater precision.

F7 Key Used For Spelling Check or Grammer

The F7 key serves various functions depending on the context of its usage, primarily related to spell-checking and other text-related operations within software applications.

Spell Check:

In many word processing software and text editing applications, pressing F7 initiates a spell check operation. The spell-check function scans the document for spelling errors and prompts the user to correct any identified mistakes. This feature helps ensure the accuracy and professionalism of written documents, reducing errors and improving readability.

Grammar Check:

In addition to spell checking, some software applications may also utilize F7 for grammar checking. Grammar check functionality analyzes the grammar and syntax of written text, highlighting grammatical errors and suggesting corrections or improvements. This feature helps users maintain proper language usage and adhere to established writing conventions.

Shortcut For Macros:

In some applications or macro recording software, F7 may be used as a hotkey for initiating macro recording or playback. Macros are sequences of predefined actions or commands that can be recorded and executed to automate repetitive tasks. By assigning F7 as a macro shortcut, users can streamline workflow and improve efficiency in performing routine operations.

F8 Key Used For Remove Select Boot Menu

The F8 key serves various functions depending on the context of its usage, primarily related to accessing boot options during system startup in Windows operating systems and other functionalities within software applications.

Safe Mode:

Safe Mode is one of the important settings included in the Advanced Boot settings menu. Users who choose Safe Mode can analyze and fix software incompatibilities or system stability issues by booting Windows with a limited set of drivers and services. Safe Mode is often used when the operating system fails to boot normally due to problematic drivers or software installations.

Debugging Mode:

Another option available in the Advanced Boot Options menu is Debugging Mode. This mode enables debugging features that can be used by developers or advanced users to diagnose and troubleshoot low-level system issues, such as driver conflicts or hardware failures.

Other Boot Options:

The Advanced Boot Options menu may offer options for fixing the Windows installation, using the command prompt, and carrying out system recovery procedures in addition to Safe Mode and Debugging Mode. These options provide users with additional tools and utilities for troubleshooting and repairing their Windows operating system.

F9 Key Used For Remove Select Item

The F9 key is one of the function keys found on most computer keyboards. Here’s a comprehensive explanation of its common functions and uses.

Refresh or Recalculate:

In certain software applications, pressing F9 may trigger a refresh or recalculation of data. For example, in spreadsheet programs like Microsoft Excel, pressing F9 recalculates all formulas in the active worksheet, ensuring that data is up-to-date and accurate. This can be especially helpful when handling big datasets or intricate computations.

Debugging and Development:

F9 can be used as a shortcut for debugging in programming environments and integrated development environments (IDEs). Programmers can pause execution by, for example, pressing F9 in the well-known code editor Visual Studio. They can also check variables or step through the code during debugging sessions.


In some video games, F9 may be assigned to a specific in-game action or function by default or through user customization options. For example, in certain PC games, pressing F9 may toggle the in-game heads-up display (HUD) on or off, providing a clearer view of the game environment during gameplay.

F10 Key Used For Right Click Work

The F10 key is another function key commonly found on computer keyboards. Here’s a detail.

In many software applications, pressing F10 activates the menu bar or provides access to a context menu with additional options. This enables users to access different commands and features within the application and browse via different menus.  This maximizes the viewing area and hides the toolbars and menus of the browser.

Text Editing:

In some text editing applications, pressing F10 may perform specific text editing functions or shortcuts. For example, in Microsoft Word, pressing Shift + F10 (which is equivalent to F10 on most keyboards) opens a context menu with options for formatting text, inserting objects, and other editing commands. Users can customize the function of F10 in certain applications to suit their preferences and workflow.

Function Key Modifier:

In combination with other keys, such as the Shift or Alt keys, F10 may serve as a modifier key to access additional functions or shortcuts. For example, pressing Shift + F10 is equivalent to right-clicking with the mouse in many applications, opening a context menu with relevant options based on the current context or selection.

F11 Key Used For Fullscreen

The F11 key is another function key commonly found on computer keyboards.

Fullscreen Mode:

Fullscreen mode is a feature available in most web browsers that allows users to view web content in a larger, immersive display. By entering fullscreen mode, the browser window expands to cover the entire screen, removing distractions and providing a focused viewing experience. This can be especially useful when watching videos, viewing photos, or working on tasks that require a larger viewing area. Users can easily exit fullscreen mode by pressing the escape key or using the browser’s exit fullscreen option.

Maximize Window:

In some applications, pressing F11 may maximize the active window or application to fill the available screen space, similar to the standard maximize button (square icon) located in the top-right corner of windows. it allows users to quickly switch between fullscreen and windowed modes for better visibility and productivity.

Customizable Shortcut:

Depending on the software or operating system, users may customize the function of the F11 key to perform specific actions or shortcuts based on their preferences and workflow. Many applications and operating systems allow users to configure keyboard shortcuts or hotkeys to launch programs, open files, or perform other tasks with a single keystroke.

F12 Key Used For Save as

The F12 key is another function key commonly found on computer keyboards.

Tools for Developers:

F12 can be used to open the developer tools or console in web browsers including Google Chrome, and Mozilla Firefox. These developer tools provide a suite of debugging and development features for web developers, allowing them to inspect and modify HTML, CSS, and JavaScript code, analyze network activity, debug JavaScript errors, and optimize website performance.

Save As:

In certain software programs, such as Microsoft Office Word, Excel, and PowerPoint, pressing F12 opens the “Save As” dialog box. From there, users can choose to save the current document in a new format or with a different filename. Without having to go through several menus, you may save and organize files quickly and easily with this shortcut.

Shortcut Key:

In combination with other keys, such as the Ctrl or Alt keys, F12 may serve as a shortcut key to access specific features or perform tasks more efficiently. For example, pressing Ctrl + F12 in some applications may open the document properties or preferences dialog box, allowing users to customize settings and options for the current document or application.


Overall, the function keys on a keyboard play a crucial role in providing quick access to specific functions and commands within various programs and applications. From F1 for help to F12 for various functions, these keys enhance user efficiency and productivity by offering shortcuts to commonly used actions. Understanding the functions and capabilities of each function key can greatly improve workflow and usability during computer tasks.

FAQS( Frequently Asked Questions)

How many buttons are on the keyboard of the computer?

The keyboard of a standard computer typically has around 104 keys, including letters, numbers, symbols, and function keys.

What does F9 do?

Specifically, the F9 key is often used as a shortcut key in various programs and applications to perform specific tasks, such as opening a search function or executing specific commands. The function keys can be customized or programmed for specific functions based on user preferences or software settings.

What is the purpose of the keyboard’s F8 key?

The Windows Safe Mode can be accessed by pressing the F8 key at computer startup, and it can also be utilized for other purposes within some software programs.

What are a keyboard’s seven special keys?

Typically, the seven unique keys on a keyboard are referred to as the function keys (F1–F12).

Where are the function keys on the keyboard located?

Usually found above the primary alphanumeric keys on the upper row of the keyboard are the function keys (F1–F12).

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