Alt + Tab – Switches between open windows quickly.Shift + Spacebar – Scrolls up the page.Spacebar – Scrolls down the page.Windows Key + D – Shows or hides the desktop instantly, minimizing or restoring all windows.Windows Key + L – Locks your computer immediately for privacy.Windows Key + Left/Right Arrow – Snaps windows to the left or right side of the screen for side-by-side multitasking.