Press PrtScn to copy the full screen to the clipboard
Press Alt + PrtScn to copy the active window to the clipboard
Press Windows + PrtScn to save a full-screen screenshot to Pictures > Screenshots
Press Windows + Shift + S to open Snipping Tool and select an area to capture
Open Snipping Tool or Snip & Sketch and choose a capture mode
Paste the clipboard screenshot into Paint, Word, or another app with Ctrl + V
Use the Xbox Game Bar with Windows + G and capture from the Capture widget