I understand _how_ the attack would work, but I do not know if the linked page is supposed to be a proof-of-concept of the attack, or where I would click on the

I understand _how_ the attack would work, but I do not know if the linked page is supposed to be a proof-of-concept of the attack, or where I would click on the cited web page to demonstrate the attack on my machine. What am I missing? Unpatched Windows 10 (17134 1098) running an ancient Chrome 67.