Have you ever closed a tab in your browser and worried you would never be able to find it again? Thankfully, there is a keyboard shortcut that will restore your tab in a couple of clicks: Control + Shift + T
Here are a few other keystrokes to make your life easier:
Copy: Control + C
Paste: Control + V
Undo: Control + Z
Redo: Control + Y
Refresh Browser: F5
Open the Search Bar: Control + E
Search/Find Text: Control + F
Delete words instead of single letters: Control + Backspace
Zoom In/Out: Control + (+) or (-) or Control + Scroll on mouse
Highlight all text: Control + A
Microsoft-Specific:
Minimize all screens: Windows Key + D
Lock your screen: Windows Key + L
Renaming a file: Highlight the file and hit F2