Windows (using Print Screen): Press `PrtScn` to copy the full screen to clipboard
Windows (save full screenshot): Press `Win + PrtScn` to save full screenshot to `Pictures > Screenshots`
Windows (copy active window): Press `Alt + PrtScn` to copy active window to clipboard
Windows (Snipping Tool): Press `Win + Shift + S`, select a snip type, and choose to copy or save
Windows (Snip & Sketch): Press `Win + Shift + S`, then open the notification to save
macOS (full screen): Press `Command + Shift + 3` to save to Desktop
macOS (selected area): Press `Command + Shift + 4` to save to Desktop
macOS (window screenshot): Press `Command + Shift + 4`, then press `Space`, click the window
macOS (screenshot options): Press `Command + Shift + 5` to choose full screen, window, or selection and set options
Chromebook (full screen): Press `Ctrl + Show Windows` to capture full screen (saved to Downloads)
Chromebook (partial screen): Press `Ctrl + Shift + Show Windows`, select an area (saved to Downloads)
Chromebook (window): Press `Ctrl + Alt + Show Windows`, then click a window (saved to Downloads)