Use a browser or app with built-in full-page screenshot support
In Microsoft Edge, open the page, press Ctrl+Shift+S, and select Full page
In Google Chrome, use DevTools, press Ctrl+Shift+P, type screenshot, and choose Capture full size screenshot
Use Snipping Tool or Snip & Sketch with scrolling capture if supported by your app
Use a third-party tool like ShareX, PicPick, Greenshot, or Snagit
In ShareX, choose Capture and then Scrolling capture
In PicPick, choose Scrolling Window
In Snagit, use the Scrolling Capture option
Stitch multiple screenshots together manually if no scrolling capture is available
Save the captured image in PNG or JPG format