Press PrtScn to capture the full screen
Press Alt + PrtScn to capture the active window
Press Windows + Shift + S to open the snipping tool
Select the area you want to capture
Paste the screenshot into an app with Ctrl + V
On Mac, press Shift + Command + 3 to capture the full screen
On Mac, press Shift + Command + 4 to capture a selected area
On Mac, press Shift + Command + 5 to open screenshot options
On iPhone, press the Side button and Volume Up button together
On Android, press the Power button and Volume Down button together