Keyboard Shortcuts Use Ctrl + C (Copy), Ctrl + V (Paste), Ctrl + Z (Undo), and Alt + Tab (Switch apps).
Screenshots – Windows: Win + Shift + S. – Mac: Cmd + Shift + 4.
Search Function – Windows: Win + S. – Mac: Cmd + Space.
Task Manager/Activity Monitor – Windows: Ctrl + Shift + Esc. – Mac: Open Activity Monitor from Utilities.
File Organization Use folders and clear names for files.
Browser Tricks – Bookmark: Ctrl + D (Windows), Cmd + D (Mac). – Incognito: Ctrl + Shift + N (Windows), Cmd + Shift + N (Mac).
Text Selection – Double-click for words, triple-click for paragraphs. – Move cursor by words: Ctrl + Arrow keys (Windows), Option + Arrow keys (Mac).
Zoom In/Out Ctrl + Plus/Minus (Windows), Cmd + Plus/Minus (Mac).
Clipboard History (Windows 10+) Win + V.
System Updates – Windows: Settings > Update & Security > Windows Update. – Mac: System Preferences > Software Update.