How can I save these webpages on my PC so that I can read them at leisure?

save1 Please go to your browser (ex: Internet Explorer) > select Page and then Save As and click on it > this will lead you to a window titled as Save Webpage

save2 In Save Webpage window select Web Archive, single file (*.mht) and click at Save button. Your file is saved on your computer.

save3 Alternatively, go to your browser (ex: Internet Explorer) > select File Menu and in it Save As and click on it > this will lead you to a window titled as Save Webpage

save4 In Save Webpage window select Web Archive, single file (*.mht) and click at Save button. Your file is saved on your computer.