The correct answer is Alt+F4.
Key Points
- Alt+F4 is a shortcut key that is used to close the currently active window.
- To stop the current window this shortcut has been used.
- For example: if we pressed the shortcut key now while reading this page on your computer browser, it would close the browser window and all open tabs.
How to Use this Shortcut Key
- To use the keyboard shortcut Alt+F4, press Alt andF4 Key simultaneously.

- While running any program in Microsoft Windows, if Alt+F4 is pressed, it closes the currently active program.
- If no programs are open or we are at the desktop, pressing Alt+F4 opens the Shutdown window.
Additional Information
Functions of other shortcut Keys in computer
- Alt + Tab
- Alt+Tab can be used to switch to any running program that has an application-level window.
- It can be used to alternate between the two most recent tasks.
- It acts as an alternate between a full-size window and the desktop.
- Alt+E
- It is a shortcut key most often used to open the Edit file menu option for programs supporting a file menu.
- In Google Sheets, pressing Alt+E opens the Edit file menu option.
- In Chrome, pressing Alt+E opens the Chrome menu.
- In Microsoft Internet Explorer and Mozilla Firefox, pressing Alt+E opens the Edit file menu.
- F1
- Used as the help key in almost every program, it opens a help screen when this key is pressed.
- Windows Key + F1 opens the Microsoft Windows help and support center.
- It opens the Task Pane.
- Cntrl+1
- Ctrl+1 is a shortcut key most often used to switch to the first tab in a browser or other programs with tab support.
- The "1" (one) used with this shortcut is the "1" at the top of the keyboard, not on the numeric keypad.
- It is also known as Control 1 and C-1.
