Uses of Function keys F1 to F12 on computer keyboard

When pressed, the F1 key activates the Help function.

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Pressing F2 allows you to rename selected files, folders or objects.

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Pressing F3 opens a search dialog box, for files, folders or text within a document.

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For closing the window, press Ctrl + F4; for shutdown, press Alt + F4.

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The F5 key is commonly used for refreshing or reloading.

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Pressing F6 in web browsers and certain programs lets you quickly edit the website address or start a new search.

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F7 is used for spelling and grammar checking in word processors and text editors.

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F8 is used for booting your computer in Safe Mode on Windows.

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F9 is used to apply refresh data in Excel.

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Pressing F10 in Windows opens the menu bar, allowing users to use the keyboard to access the menu options.

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F11 is commonly used to toggle full-screen mode in web browsers.

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F12 is used to open Firebug, Chrome Developer Tools, or other browser debug tools. In other apps, it have its own unique purpose.

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