1. Restore Accidentally Closed Browser Tabs in a Snap
If you've ever closed your web browser with numerous tabs open, fear not. Simply press Control/Command (for Mac) + Shift + T, and watch as all your recently closed tabs miraculously reappear.

2. Repeat Last Action on Excel Effortlessly
It's as simple as pressing F4. For instance, you've applied a formatting to a cell and now want to apply the same to another cell, just select the target cell and hit F4.

3. Capture a Screenshot of a Portion of Your Screen
If you only need to capture a portion of your screen, here's the simplest way to do it, whether you're on a Mac or a Windows PC:
- For Mac users, press Command + Shift + 4, and the tool will appear. Simply drag and drop to select the area you want to capture. Release, and the screenshot will be saved directly to your desktop.
- For Windows users, go to Start and select Snipping Tool.

4. Copying Files via Drag and Drop
To copy a file on a Mac, hold down the Alt key (or Control on Windows machines) then click and drag the file. It's that simple, did you know about this trick?

5. Open a Link in a New Browser Tab with Just One Click
Simply click the middle button of your mouse, and you've opened a link in a new browser tab. And if you middle-click on a tab, it closes. It's that fast, that simple!

6. Move Windows to Any Side of the Screen or to the Next Monitor
If you press the Windows key along with an arrow key (right, left, up, down), your current window will move to the corresponding side of the screen. Similarly, when you press Windows + Shift + an arrow key, you'll move the window to any screen in the corresponding direction. Unfortunately, this feature is only available on Windows machines.

7. Pause a Playing Video on YouTube
Which button do you press to pause a video on YouTube? The space bar, right? If you think so, you're mistaken. To pause a YouTube video, simply press the K key. Press K again to resume playback. Press J to rewind 10 seconds, and press L to fast forward 10 seconds.

8. Quickly Lock Your Computer
If you need to step away for a few minutes and want to keep your work private, don't forget to press the Windows + L key combination.

9. Clear Cache in Seconds
Press the Ctrl + Shift + R combination on your browser interface to clear the cache instantly, and the page will automatically refresh.

10. Customize Chrome Browser to Your Liking
If you want to prank someone and send them a screenshot of something that never existed, there's a super easy way on Chrome. First, open Chrome, press F12, then type document.designMode = “on”. Now you can edit any text on the screen.

11. Flip Your Screen Upside Down
This trick is mainly used to play pranks on your friends. If you press Control + Alt + one of the arrow keys, the screen will flip in the corresponding direction.
Note: This trick may not work on all types of computers (and only on Windows) but if it does, it will definitely give your friend a good scare!

12. Reverse Search on Google Chrome
In Google Chrome, if you press S while right-clicking on an image, you'll execute a reverse search command. This means instead of typing keywords to search for an image, you can trace and see where the image originates from.

13. Zoom In/Out Your Screen
- Press Control/Command (for Mac) + 0 to return to the default screen size
- Control/Command (for Mac) + the plus sign to zoom in
- Control/Command (for Mac) + the minus sign to zoom out

14. Quickly Exit to Main Screen
Playing a game or watching something sensitive when... the boss appears. Can't quickly click on the home screen icon, what to do??? Don't worry, just hold down the Windows key and press D, the main screen will immediately appear.

15. Quickly Find a Specific Data Set
When you want to find a particular document on your computer, people usually go to the My Computer section, then click on the desired folder. But you can do this very quickly: just one action, hold down the Windows key and press E, the file management window will instantly open.

16. Quickly Access Windows Recording Function
To display the Windows recording function, press Windows+R, enter “psr.exe” then select OK, and you can start recording.

17. Switch Between Program Windows
Here's another little trick, hold down the Windows key and press Tab to switch between program windows.

18. Quick Access to On-Screen Keyboard
Press Windows+R, enter “osk”, the on-screen keyboard will appear with similar functionality to a physical keyboard.

19. Adjust All Computer Settings in One Interface
Want to know how to adjust screen brightness, volume, turn on Wi-Fi, and check laptop battery status all at once? Or what devices are needed to connect a laptop to a TV? To discover these functions, simply press Windows+X, your request will be fulfilled.

20. Quickly Open Properties
Press Windows key, then press Fn, and then press Home, you can open Properties without needing to use the mouse cursor to hover over the My computer icon, right-click, and choose Properties.

21. Rapidly Switch Tabs or Close Windows When Running Multiple Programs
When juggling multiple programs and need to switch between their windows, use Ctrl+Tab; to swiftly close the current window, press Ctrl+W.

