Here are the screenshot shortcuts for Mac:

• Full screen: Press Command (⌘) + Shift + 3
• Select area to capture: Press Command (⌘) + Shift + 4 → Click and drag to select.
• Capture a window: Press Command (⌘) + Shift + 4, then tap the Spacebar → Click the window you want to capture.

By default, screenshots save to your desktop.

Here are the main screenshot shortcuts for Windows:

• Full screen: Press PrtScn (Print Screen) → Paste into Paint or a document (Ctrl + V).
• Capture active window: Press Alt + PrtScn → Paste (Ctrl + V).
• Select area to capture: Press Windows + Shift + S → Click and drag to select the area (this opens the Snip & Sketch tool).
• Save full screen automatically: Press Windows + PrtScn → Saves directly to Pictures > Screenshots.