More eye opening and clever than the title let you think.
If you're less than 5 year old (or your OS is), You can download those very old game here: http://www.mediafire.com/download/q1mhlmq82nbw3pr/Windows-7-Games-For-Windows-8-and-10-Multilanguage-x86-x64.zip
In the intervening space they got left behind by in-browser. Stupid move. Anyway, this entire article is completely unsourced, because Mental Floss is vaguely worthless -- but the idea makes sense. Interesting stuff.However, with this year's release of Windows 10, Microsoft has at least brought back Solitaire. If you go looking for the others in your search bar, you'll instead be shown search results from the Windows Store where you can download the latest versions. And maybe that's intentional, because what better motivation do you need to learn how to use the Windows Store than to get your hands on your favorite games? Maybe they're still teaching by stealth, even after all these years.