Windows + PrtScn (saves to PicturesScreenshots)
PrtScn (copies full screen to clipboard)
Alt + PrtScn (copies active window to clipboard)
Windows + Shift + S (select area; copies to clipboard)
Windows + G → Capture (Xbox Game Bar, if enabled)
Windows + V → paste saved clipboard items (if needed)
Use Snipping Tool (Start → Snipping Tool → New → select area → Save)
Use Snip & Sketch (Windows + Shift + S → notification → Save)