Here is a list of all the hot key combinations that will certainly come in handy for every Windows and OS X user.

Win keyboard


⊞ Win— opens the Start Menu, in Windows 8.1 — opens the previous window;


⊞ Win + A— opens the Action Center (in Windows 10);

⊞ Win + B— selects the first icon in the Notification Area (you can then switch between the icons using the arrow keys);

⊞ Win + Ctrl + B— switches to a program indicating a new message in the Notification Area;

⊞ Win + Cshows the Charm Bar (in Windows 8 and 8.1); in Windows 10 it opens Cortana (if you’re using a supported language);

⊞ Win + D— shows the desktop (immediately minimizes all the opened windows);

⊞ Win + E— opens Windows Explorer; in Windows 10 opens the Quick Launch by default;

⊞ Win + F— opens ’Find files and folders’;

⊞ Win + Ctrl + F— opens ’Find computers’;

⊞ Win + G— brings all gadgets to the foreground that are in process (only in Windows 7 and Vista); opens the Game bar in Windows 10;

⊞ Win + K— opens a new Start menu — Connections (in Windows 8 and 8.1);

⊞ Win + L— changes user or locks the workstation;

⊞ Win + M— minimizes all windows;

⊞ Win + ⇧ Shift + M— restores windows that were minimized;

⊞ Win + O— locks device orientation (disables the gyroscope function on tablets);

⊞ Win + P— switches operating modes to an external monitor/projector (only in Windows 7 and newer);

⊞ Win + Q— opens Search charm for installed apps (checked in Windows ;

⊞ Win + R— opens the ’Run dialog’ box;

⊞ Win + T— switches focus to the Taskbar (only in Windows 7 and newer);

⊞ Win + U— opens the Utility Manager;

⊞ Win + W— opens Windows Ink Workspace (notes, screenshots);

⊞ Win + X— opens the Windows Mobile Application Center (only for mobile computers in Windows Vista and 7);

⊞ Win + Y— starts Yahoo! Messenger (if installed).

OS X keyboard


Command + Up Arrow— Immediately scroll to the top of any webpage.
Command + Down Arrow— Immediately scroll to the bottom of any webpage.
Command + Semicolon— Cycle through misspelled words in any given document.
Command + 1 (2, 3)— Use this shortcut to conveniently cycle through any open tabs you have in your browser.

Command + 1 will take you to the first tab,

Command + 2 will take you to the second, and so on.
Option + Delete— This handy keyboard shortcut will delete words one word at a time, as opposed to one letter at a time. This works all across OS X, whether you’re typing in TextEdit or even when typing a website into your browser’s URL bar.
Command + H— Quickly hide all open windows from the currently active app.
Command + Shift + T— Instantly open up the most recently closed tab in your browser. This is a lifesaver if you accidentally close a window and can’t remember the URL.
Command + F3— This handy shortcut instantly removes all app windows from view and lets you take a gander at your desktop. To bring your apps back, simply press the keys again.
Option + Shift + Volume Up/Volume down— Increase or decrease your machine’s volume in much smaller increments. This comes in especially handy when you’re trying to get your audio output levels just right.