Every version of IE requires its own special little hack to make it look how it’s supposed to. Developers can go crazy trying to fix an issue for a version of IE that only their client has. To make things worse, you cannot install more than one version of IE on Windows. That’s just Microsoft saying, “Spend hours and hours fixing your site for our product so we can further our profits while you rot in or discharge”. But aha! There is such a way to have multiple versions of IE. Thank you!