What Does the F1 Key Do?
F1 is the help key. In most Windows programs and web browsers, pressing F1 opens the help page for whatever you are using.
Stuck in an app? F1 is the help button hiding in plain sight!
Where is the F1 key?
The highlighted key is the F1 key on a typical Windows laptop keyboard. Keyboards vary a little by brand.
What the F1 key does
- In a web browser: F1 opens the browser's help center.
- In Microsoft Office and many apps: it opens help for that app.
- In some games: it shows the controls or help screen.
- Windows + F1: searches the web for Windows help.
Pressed F1 and the sound muted instead? Your laptop uses the top row for media keys first. Hold Fn and press F1 to get the real F1.
Windows, Mac and Chromebook
Windows
F1 is the first function key, just right of Esc. On many laptops F1 also has a mute or speaker picture.
Mac
On most Macs, F1 lowers the screen brightness. Hold fn and press F1 to use it as a real F1 key.
Chromebook
The first top-row key is usually Back (←). Hold Search and press Back to send F1.
Which finger presses it?
Lift your left hand slightly and press F1 with your ring or middle finger.
Fun fact
F1 has meant "help" since 1987, when IBM wrote design rules called Common User Access that told programmers to put help on F1. Most software still follows that rule.
Keep learning
- Practice the reach in Lesson 25: Numbers 1 to 5.
- More keys: Function keys, Fn key, Escape key, Windows key.
- See every keyboard key explained.
- Names of all the symbols: Keyboard Characters and Meanings.
Quick drill: find the F1 key
Press the key on your keyboard, or click or tap it below, when Rocky asks. Wrong key? We will tell you what it was.
F1 key FAQ
What does F1 do?
It opens help in most Windows apps and web browsers.
Why does F1 mute my sound?
On many laptops the top row starts as media keys. Hold Fn (or turn on Fn Lock) to use F1.
How do I press F1 on a Chromebook?
Hold the Search or Launcher key and press the Back key at the top left.