12 PC Tricks You Probably Didn’t Know Existed!

Reopen a Tab You Accidentally Closed
Press Ctrl + Shift + T to restore your last closed browser tab.

Split Your Screen in Seconds
Press Win + Left Arrow or Win + Right Arrow to snap a window to one side of your screen.

Unlock the Quick Command Menu
Press Win + R, then type:
calc — Open Calculator.
notepad — Open Notepad.
winver — Check your Windows version.