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