Useful Keyboard Shortcuts for Windows

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.